{"id":3177,"date":"2016-10-22T16:46:07","date_gmt":"2016-10-22T09:46:07","guid":{"rendered":"http:\/\/www.giasuquocte.edu.vn\/physics-force-and-movement\/"},"modified":"2016-10-22T16:46:07","modified_gmt":"2016-10-22T09:46:07","slug":"physics-force-and-movement","status":"publish","type":"post","link":"https:\/\/giasuquocte.edu.vn\/en\/physics-force-and-movement\/","title":{"rendered":"Physics \u2013 Force and Movement"},"content":{"rendered":"<div id=\"watu_quiz\" class=\"quiz-area single-page-quiz\">\n<form action=\"\" method=\"post\" class=\"quiz-form \" id=\"quiz-30\" >\n<div class='watu-question' id='question-1'><div class='question-content'><p><span class='watu_num'>1. <\/span>What are the units of force?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='542' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2305' \/><div class='watu-question-choice'><input type='radio' name='answer-542[]' id='answer-id-2305' class='answer answer-1  answerof-542' value='2305' \/>&nbsp;<label for='answer-id-2305' id='answer-label-2305' class=' answer label-1'><span class='answer'>Newtons<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2307' \/><div class='watu-question-choice'><input type='radio' name='answer-542[]' id='answer-id-2307' class='answer answer-1  answerof-542' value='2307' \/>&nbsp;<label for='answer-id-2307' id='answer-label-2307' class=' answer label-1'><span class='answer'>Meters per second<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2306' \/><div class='watu-question-choice'><input type='radio' name='answer-542[]' id='answer-id-2306' class='answer answer-1  answerof-542' value='2306' \/>&nbsp;<label for='answer-id-2306' id='answer-label-2306' class=' answer label-1'><span class='answer'>Kilograms<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType1' value='radio' class=''><\/div><div class='watu-question' id='question-2'><div class='question-content'><p><span class='watu_num'>2. <\/span>What is a force?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='539' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2298' \/><div class='watu-question-choice'><input type='radio' name='answer-539[]' id='answer-id-2298' class='answer answer-2  answerof-539' value='2298' \/>&nbsp;<label for='answer-id-2298' id='answer-label-2298' class=' answer label-2'><span class='answer'>A thrust or a torque<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2297' \/><div class='watu-question-choice'><input type='radio' name='answer-539[]' id='answer-id-2297' class='answer answer-2  answerof-539' value='2297' \/>&nbsp;<label for='answer-id-2297' id='answer-label-2297' class=' answer label-2'><span class='answer'>An influence that causes an object to change<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2296' \/><div class='watu-question-choice'><input type='radio' name='answer-539[]' id='answer-id-2296' class='answer answer-2  answerof-539' value='2296' \/>&nbsp;<label for='answer-id-2296' id='answer-label-2296' class=' answer label-2'><span class='answer'>A push or pull<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType2' value='radio' class=''><\/div><div class='watu-question' id='question-3'><div class='question-content'><p><span class='watu_num'>3. <\/span>What are the units for mass?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='529' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2267' \/><div class='watu-question-choice'><input type='radio' name='answer-529[]' id='answer-id-2267' class='answer answer-3  answerof-529' value='2267' \/>&nbsp;<label for='answer-id-2267' id='answer-label-2267' class=' answer label-3'><span class='answer'>Newtons<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2266' \/><div class='watu-question-choice'><input type='radio' name='answer-529[]' id='answer-id-2266' class='answer answer-3  answerof-529' value='2266' \/>&nbsp;<label for='answer-id-2266' id='answer-label-2266' class=' answer label-3'><span class='answer'>Kilograms<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2268' \/><div class='watu-question-choice'><input type='radio' name='answer-529[]' id='answer-id-2268' class='answer answer-3  answerof-529' value='2268' \/>&nbsp;<label for='answer-id-2268' id='answer-label-2268' class=' answer label-3'><span class='answer'>Newtons per kilogram<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType3' value='radio' class=''><\/div><div class='watu-question' id='question-4'><div class='question-content'><p><span class='watu_num'>4. <\/span>How is velocity different from speed?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='533' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2280' \/><div class='watu-question-choice'><input type='radio' name='answer-533[]' id='answer-id-2280' class='answer answer-4  answerof-533' value='2280' \/>&nbsp;<label for='answer-id-2280' id='answer-label-2280' class=' answer label-4'><span class='answer'>They are the same<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2278' \/><div class='watu-question-choice'><input type='radio' name='answer-533[]' id='answer-id-2278' class='answer answer-4  answerof-533' value='2278' \/>&nbsp;<label for='answer-id-2278' id='answer-label-2278' class=' answer label-4'><span class='answer'>Speed is velocity in a given direction<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2279' \/><div class='watu-question-choice'><input type='radio' name='answer-533[]' id='answer-id-2279' class='answer answer-4  answerof-533' value='2279' \/>&nbsp;<label for='answer-id-2279' id='answer-label-2279' class=' answer label-4'><span class='answer'>Velocity is speed in a given direction<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType4' value='radio' class=''><\/div><div class='watu-question' id='question-5'><div class='question-content'><p><span class='watu_num'>5. <\/span>What does a downwards line correspond to in a speed-time graph?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='536' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2287' \/><div class='watu-question-choice'><input type='radio' name='answer-536[]' id='answer-id-2287' class='answer answer-5  answerof-536' value='2287' \/>&nbsp;<label for='answer-id-2287' id='answer-label-2287' class=' answer label-5'><span class='answer'>Constant acceleration<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2288' \/><div class='watu-question-choice'><input type='radio' name='answer-536[]' id='answer-id-2288' class='answer answer-5  answerof-536' value='2288' \/>&nbsp;<label for='answer-id-2288' id='answer-label-2288' class=' answer label-5'><span class='answer'>Constant deceleration<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2289' \/><div class='watu-question-choice'><input type='radio' name='answer-536[]' id='answer-id-2289' class='answer answer-5  answerof-536' value='2289' \/>&nbsp;<label for='answer-id-2289' id='answer-label-2289' class=' answer label-5'><span class='answer'>Returning to start<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType5' value='radio' class=''><\/div><div class='watu-question' id='question-6'><div class='question-content'><p><span class='watu_num'>6. <\/span>What is the vertical axis in a speed-time graph?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='535' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2286' \/><div class='watu-question-choice'><input type='radio' name='answer-535[]' id='answer-id-2286' class='answer answer-6  answerof-535' value='2286' \/>&nbsp;<label for='answer-id-2286' id='answer-label-2286' class=' answer label-6'><span class='answer'>Distance travelled from the start<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2285' \/><div class='watu-question-choice'><input type='radio' name='answer-535[]' id='answer-id-2285' class='answer answer-6  answerof-535' value='2285' \/>&nbsp;<label for='answer-id-2285' id='answer-label-2285' class=' answer label-6'><span class='answer'>Speed in meters per second<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2284' \/><div class='watu-question-choice'><input type='radio' name='answer-535[]' id='answer-id-2284' class='answer answer-6  answerof-535' value='2284' \/>&nbsp;<label for='answer-id-2284' id='answer-label-2284' class=' answer label-6'><span class='answer'>Velocity of the object<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType6' value='radio' class=''><\/div><div class='watu-question' id='question-7'><div class='question-content'><p><span class='watu_num'>7. <\/span>If a car increases in velocity from +5 m\/s to +15 m\/s in three seconds, what is its acceleration?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='538' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2293' \/><div class='watu-question-choice'><input type='radio' name='answer-538[]' id='answer-id-2293' class='answer answer-7  answerof-538' value='2293' \/>&nbsp;<label for='answer-id-2293' id='answer-label-2293' class=' answer label-7'><span class='answer'>+33.3 m\/s2<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2294' \/><div class='watu-question-choice'><input type='radio' name='answer-538[]' id='answer-id-2294' class='answer answer-7  answerof-538' value='2294' \/>&nbsp;<label for='answer-id-2294' id='answer-label-2294' class=' answer label-7'><span class='answer'>+3.3 m\/s2<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2295' \/><div class='watu-question-choice'><input type='radio' name='answer-538[]' id='answer-id-2295' class='answer answer-7  answerof-538' value='2295' \/>&nbsp;<label for='answer-id-2295' id='answer-label-2295' class=' answer label-7'><span class='answer'>+10 m\/s2<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType7' value='radio' class=''><\/div><div class='watu-question' id='question-8'><div class='question-content'><p><span class='watu_num'>8. <\/span>What is the gravitational field strength of the Moon?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='547' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2320' \/><div class='watu-question-choice'><input type='radio' name='answer-547[]' id='answer-id-2320' class='answer answer-8  answerof-547' value='2320' \/>&nbsp;<label for='answer-id-2320' id='answer-label-2320' class=' answer label-8'><span class='answer'>1.6 N\/kg<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2321' \/><div class='watu-question-choice'><input type='radio' name='answer-547[]' id='answer-id-2321' class='answer answer-8  answerof-547' value='2321' \/>&nbsp;<label for='answer-id-2321' id='answer-label-2321' class=' answer label-8'><span class='answer'>10 N\/kg<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2322' \/><div class='watu-question-choice'><input type='radio' name='answer-547[]' id='answer-id-2322' class='answer answer-8  answerof-547' value='2322' \/>&nbsp;<label for='answer-id-2322' id='answer-label-2322' class=' answer label-8'><span class='answer'>1.6 N<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType8' value='radio' class=''><\/div><div class='watu-question' id='question-9'><div class='question-content'><p><span class='watu_num'>9. <\/span>What does the area beneath a velocity-time graph represent?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='537' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2292' \/><div class='watu-question-choice'><input type='radio' name='answer-537[]' id='answer-id-2292' class='answer answer-9  answerof-537' value='2292' \/>&nbsp;<label for='answer-id-2292' id='answer-label-2292' class=' answer label-9'><span class='answer'>The distance travelled<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2290' \/><div class='watu-question-choice'><input type='radio' name='answer-537[]' id='answer-id-2290' class='answer answer-9  answerof-537' value='2290' \/>&nbsp;<label for='answer-id-2290' id='answer-label-2290' class=' answer label-9'><span class='answer'>The average speed<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2291' \/><div class='watu-question-choice'><input type='radio' name='answer-537[]' id='answer-id-2291' class='answer answer-9  answerof-537' value='2291' \/>&nbsp;<label for='answer-id-2291' id='answer-label-2291' class=' answer label-9'><span class='answer'>The average velocity<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType9' value='radio' class=''><\/div><div class='watu-question' id='question-10'><div class='question-content'><p><span class='watu_num'>10. <\/span>What is the formula for average speed?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='530' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2271' \/><div class='watu-question-choice'><input type='radio' name='answer-530[]' id='answer-id-2271' class='answer answer-10  answerof-530' value='2271' \/>&nbsp;<label for='answer-id-2271' id='answer-label-2271' class=' answer label-10'><span class='answer'>Distance moved \u00d7 time taken<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2270' \/><div class='watu-question-choice'><input type='radio' name='answer-530[]' id='answer-id-2270' class='answer answer-10  answerof-530' value='2270' \/>&nbsp;<label for='answer-id-2270' id='answer-label-2270' class=' answer label-10'><span class='answer'>Distance moved \u00f7 time taken<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2269' \/><div class='watu-question-choice'><input type='radio' name='answer-530[]' id='answer-id-2269' class='answer answer-10  answerof-530' value='2269' \/>&nbsp;<label for='answer-id-2269' id='answer-label-2269' class=' answer label-10'><span class='answer'>Time taken \u00f7 distance moved<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType10' value='radio' class=''><\/div><div class='watu-question' id='question-11'><div class='question-content'><p><span class='watu_num'>11. <\/span>How do you calculate resultant force?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='545' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2316' \/><div class='watu-question-choice'><input type='radio' name='answer-545[]' id='answer-id-2316' class='answer answer-11  answerof-545' value='2316' \/>&nbsp;<label for='answer-id-2316' id='answer-label-2316' class=' answer label-11'><span class='answer'>By adding together all the forces that act upon an object<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2315' \/><div class='watu-question-choice'><input type='radio' name='answer-545[]' id='answer-id-2315' class='answer answer-11  answerof-545' value='2315' \/>&nbsp;<label for='answer-id-2315' id='answer-label-2315' class=' answer label-11'><span class='answer'>By multiplying all the forces that act upon an object<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2314' \/><div class='watu-question-choice'><input type='radio' name='answer-545[]' id='answer-id-2314' class='answer answer-11  answerof-545' value='2314' \/>&nbsp;<label for='answer-id-2314' id='answer-label-2314' class=' answer label-11'><span class='answer'>By dividing all the forces that act upon an object<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType11' value='radio' class=''><\/div><div class='watu-question' id='question-12'><div class='question-content'><p><span class='watu_num'>12. <\/span>What does Newton&#8217;s First Law of Motion state?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='541' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2304' \/><div class='watu-question-choice'><input type='radio' name='answer-541[]' id='answer-id-2304' class='answer answer-12  answerof-541' value='2304' \/>&nbsp;<label for='answer-id-2304' id='answer-label-2304' class=' answer label-12'><span class='answer'>Objects with balanced forces acting on them will stay at rest or in constant <\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2303' \/><div class='watu-question-choice'><input type='radio' name='answer-541[]' id='answer-id-2303' class='answer answer-12  answerof-541' value='2303' \/>&nbsp;<label for='answer-id-2303' id='answer-label-2303' class=' answer label-12'><span class='answer'>F = ma<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2302' \/><div class='watu-question-choice'><input type='radio' name='answer-541[]' id='answer-id-2302' class='answer answer-12  answerof-541' value='2302' \/>&nbsp;<label for='answer-id-2302' id='answer-label-2302' class=' answer label-12'><span class='answer'>There are no forces in space<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType12' value='radio' class=''><\/div><div class='watu-question' id='question-13'><div class='question-content'><p><span class='watu_num'>13. <\/span>Which force did Charles-Augustin de Coulomb first describe?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='540' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2301' \/><div class='watu-question-choice'><input type='radio' name='answer-540[]' id='answer-id-2301' class='answer answer-13  answerof-540' value='2301' \/>&nbsp;<label for='answer-id-2301' id='answer-label-2301' class=' answer label-13'><span class='answer'>Mass<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2300' \/><div class='watu-question-choice'><input type='radio' name='answer-540[]' id='answer-id-2300' class='answer answer-13  answerof-540' value='2300' \/>&nbsp;<label for='answer-id-2300' id='answer-label-2300' class=' answer label-13'><span class='answer'>The electrostatic force<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2299' \/><div class='watu-question-choice'><input type='radio' name='answer-540[]' id='answer-id-2299' class='answer answer-13  answerof-540' value='2299' \/>&nbsp;<label for='answer-id-2299' id='answer-label-2299' class=' answer label-13'><span class='answer'>Gravity<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType13' value='radio' class=''><\/div><div class='watu-question' id='question-14'><div class='question-content'><p><span class='watu_num'>14. <\/span>Newton&#8217;s Second Law of Motion can be summarized by which equation?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='543' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2309' \/><div class='watu-question-choice'><input type='radio' name='answer-543[]' id='answer-id-2309' class='answer answer-14  answerof-543' value='2309' \/>&nbsp;<label for='answer-id-2309' id='answer-label-2309' class=' answer label-14'><span class='answer'>F = ma<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2310' \/><div class='watu-question-choice'><input type='radio' name='answer-543[]' id='answer-id-2310' class='answer answer-14  answerof-543' value='2310' \/>&nbsp;<label for='answer-id-2310' id='answer-label-2310' class=' answer label-14'><span class='answer'>F = m \u00f7 a<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2308' \/><div class='watu-question-choice'><input type='radio' name='answer-543[]' id='answer-id-2308' class='answer answer-14  answerof-543' value='2308' \/>&nbsp;<label for='answer-id-2308' id='answer-label-2308' class=' answer label-14'><span class='answer'>M = F \u00f7 a<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType14' value='radio' class=''><\/div><div class='watu-question' id='question-15'><div class='question-content'><p><span class='watu_num'>15. <\/span>What happens if the resultant force on a car is in the direction in which it is travelling?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='546' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2317' \/><div class='watu-question-choice'><input type='radio' name='answer-546[]' id='answer-id-2317' class='answer answer-15  answerof-546' value='2317' \/>&nbsp;<label for='answer-id-2317' id='answer-label-2317' class=' answer label-15'><span class='answer'>Nothing<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2318' \/><div class='watu-question-choice'><input type='radio' name='answer-546[]' id='answer-id-2318' class='answer answer-15  answerof-546' value='2318' \/>&nbsp;<label for='answer-id-2318' id='answer-label-2318' class=' answer label-15'><span class='answer'>It will increase in speed<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2319' \/><div class='watu-question-choice'><input type='radio' name='answer-546[]' id='answer-id-2319' class='answer answer-15  answerof-546' value='2319' \/>&nbsp;<label for='answer-id-2319' id='answer-label-2319' class=' answer label-15'><span class='answer'>It will decrease in speed<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType15' value='radio' class=''><\/div><div class='watu-question' id='question-16'><div class='question-content'><p><span class='watu_num'>16. <\/span>What is friction?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='544' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2311' \/><div class='watu-question-choice'><input type='radio' name='answer-544[]' id='answer-id-2311' class='answer answer-16  answerof-544' value='2311' \/>&nbsp;<label for='answer-id-2311' id='answer-label-2311' class=' answer label-16'><span class='answer'>A force that increases motion<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2312' \/><div class='watu-question-choice'><input type='radio' name='answer-544[]' id='answer-id-2312' class='answer answer-16  answerof-544' value='2312' \/>&nbsp;<label for='answer-id-2312' id='answer-label-2312' class=' answer label-16'><span class='answer'>Friction is not a force<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2313' \/><div class='watu-question-choice'><input type='radio' name='answer-544[]' id='answer-id-2313' class='answer answer-16  answerof-544' value='2313' \/>&nbsp;<label for='answer-id-2313' id='answer-label-2313' class=' answer label-16'><span class='answer'>A force that opposes motion<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType16' value='radio' class=''><\/div><div class='watu-question' id='question-17'><div class='question-content'><p><span class='watu_num'>17. <\/span>If a person has a weight of 600 N, how much will they weigh on the Moon?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='548' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2324' \/><div class='watu-question-choice'><input type='radio' name='answer-548[]' id='answer-id-2324' class='answer answer-17  answerof-548' value='2324' \/>&nbsp;<label for='answer-id-2324' id='answer-label-2324' class=' answer label-17'><span class='answer'>69 N<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2323' \/><div class='watu-question-choice'><input type='radio' name='answer-548[]' id='answer-id-2323' class='answer answer-17  answerof-548' value='2323' \/>&nbsp;<label for='answer-id-2323' id='answer-label-2323' class=' answer label-17'><span class='answer'>96 N<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType17' value='radio' class=''><\/div><div class='watu-question' id='question-18'><div class='question-content'><p><span class='watu_num'>18. <\/span>What is the vertical axis in a distance-time graph?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='531' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2274' \/><div class='watu-question-choice'><input type='radio' name='answer-531[]' id='answer-id-2274' class='answer answer-18  answerof-531' value='2274' \/>&nbsp;<label for='answer-id-2274' id='answer-label-2274' class=' answer label-18'><span class='answer'>Distance travelled in meters<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2272' \/><div class='watu-question-choice'><input type='radio' name='answer-531[]' id='answer-id-2272' class='answer answer-18  answerof-531' value='2272' \/>&nbsp;<label for='answer-id-2272' id='answer-label-2272' class=' answer label-18'><span class='answer'>Distance travelled from the start<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2273' \/><div class='watu-question-choice'><input type='radio' name='answer-531[]' id='answer-id-2273' class='answer answer-18  answerof-531' value='2273' \/>&nbsp;<label for='answer-id-2273' id='answer-label-2273' class=' answer label-18'><span class='answer'>Time taken in seconds<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType18' value='radio' class=''><\/div><div class='watu-question' id='question-19'><div class='question-content'><p><span class='watu_num'>19. <\/span>What is the formula for acceleration?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='534' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2282' \/><div class='watu-question-choice'><input type='radio' name='answer-534[]' id='answer-id-2282' class='answer answer-19  answerof-534' value='2282' \/>&nbsp;<label for='answer-id-2282' id='answer-label-2282' class=' answer label-19'><span class='answer'>Time taken \u00f7 change in velocity<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2281' \/><div class='watu-question-choice'><input type='radio' name='answer-534[]' id='answer-id-2281' class='answer answer-19  answerof-534' value='2281' \/>&nbsp;<label for='answer-id-2281' id='answer-label-2281' class=' answer label-19'><span class='answer'>Change in velocity \u00d7 time taken<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2283' \/><div class='watu-question-choice'><input type='radio' name='answer-534[]' id='answer-id-2283' class='answer answer-19  answerof-534' value='2283' \/>&nbsp;<label for='answer-id-2283' id='answer-label-2283' class=' answer label-19'><span class='answer'>Change in velocity \u00f7 time taken<\/span><\/label><\/div>\n<\/div><input type='hidden' id='questionType19' value='radio' class=''><\/div><div class='watu-question' id='question-20'><div class='question-content'><p><span class='watu_num'>20. <\/span>What does a steep line correspond to in a distance-time graph?<\/p>\n<\/div><input type='hidden' name='question_id[]' value='532' \/><div class='watu-questions-wrap '><input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2277' \/><div class='watu-question-choice'><input type='radio' name='answer-532[]' id='answer-id-2277' class='answer answer-20  answerof-532' value='2277' \/>&nbsp;<label for='answer-id-2277' id='answer-label-2277' class=' answer label-20'><span class='answer'>A fast steady speed<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2275' \/><div class='watu-question-choice'><input type='radio' name='answer-532[]' id='answer-id-2275' class='answer answer-20  answerof-532' value='2275' \/>&nbsp;<label for='answer-id-2275' id='answer-label-2275' class=' answer label-20'><span class='answer'>No speed (stationary)<\/span><\/label><\/div>\n<input type='hidden' name='answer_ids[]' class='watu-answer-ids' value='2276' \/><div class='watu-question-choice'><input type='radio' name='answer-532[]' id='answer-id-2276' class='answer answer-20  answerof-532' value='2276' \/>&nbsp;<label for='answer-id-2276' id='answer-label-2276' class=' answer label-20'><span 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