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Question
A car is moving on a level road. If the driver turns off the engine of the car, the car’s speed decreases gradually and ultimately it comes to a stop. A student says that two forces act on the car which bring it to a stop. What could these forces be ? Which of these two forces contributes more to slow down and stop the car ?
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Solution
These forces could be the frictional force and air resistance.
Force of friction contributes more towards the slowing down and stopping the car.
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