Is there a force of friction between the wheels of a moving train
and iron rails? If yes, name the type of friction. If an air cushion
can be introduced between the wheel and the rail, what effect
will it have on the friction?
NCERT Class VIII
Science - Exemplar Problems
Chapter 12. Friction

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Answers

2016-01-05T19:09:50+05:30
Yes, rolling friction force
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