February 20, 2017

Homework Help: science

Posted by shruti on Wednesday, August 17, 2011 at 9:50am.

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

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