two balls of the same size but of different materials , rubber and iron are kept on the smooth floor of a moving train .The brakes are applied suddenly to stop the train. Will the ball start rolling? If so, in which direction? Will they move with the same speed. Give reasons for your answer?
Answers
Answered by
1
Answer:
iron ball will start rolling
Explanation:
as it doesn't have friction it will move in forward direction
Answered by
10
Answer:
Yes. the balls will start rolling in the direction in which the train was moving. Due to the application of the brakes, the train comes to rest but due to inertia the balls try to remain in motion, therefore, they begin to roll. Since the masses of the balls are not the same, therefore, the inertial forces are not same on both the balls. Thus, the balls will move with different speeds.
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