Question

Why is it difficult to stop a stationary ship but easy to stopa car whose engine is switched off

Answer 1

engine is basically a energy system , which provides continuous energy for working of a machine , if engine is switched off the vehicle will slow down as different forces including frictional force , air drag etc will oppose the accelerated car which after some time will stop when a mechanical equilibrium is reached . as engine is stopped no energy will be provided to car to overcome this force .

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