Two balls of the same size but different matetials, rubber and iron are kept on the smooth floor of
Channel: Doubtnut
Date: 2020-07-26

Two balls of the same size but different matetials, rubber and iron are kept on the smooth floor of a moving train. The brakers are applied suddenly to stop the train . Will the balls start rolling? If so, in which direction? Will they move with the same speed? Give reasons for your answers.