Question

A father and a son pushed their to bring it to the side of the road as it had stalled in the middle of the road. They experienced that although they had pushed with their all might initially to move the car, the push required to kept the car rolling was lesser, once the car started rolling. Explain.​

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Answer 1

Answer:

At first friction force is more. But when it starts to move rolling friction appears and so it became easy.