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Question 54: 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 ? Lakhmir Singh Physics Class 9 |
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Answer» The two FORCES are Friction by the ROAD and Resistance from the air. Out of these two frictional FORCE has a higher contrubution towards stopping the moving VEHICLE |
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