KIDS QUIZ
SCIENCE FICTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Why does a car travel faster on a road going down, than on a road going up?
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It is moving against gravity.
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It is being pulled by the weight of the car.
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It is pushed by the wind.
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It is moving toward gravity.
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Explanation:
Detailed explanation-1: -Answer: Explanation: Because it is moving toward gravity.
Detailed explanation-2: -Work done against gravity in lifting an object becomes potential energy of the object-Earth system.
Detailed explanation-3: -The slope or grade of the roadway is important-a car will stop more quickly if it is going uphill because gravity will help.
There is 1 question to complete.