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?
ScienceClass 8CBSEAnswered 28 Mar 2026
Answer
Yes, there exists a rolling force between the wheels of a moving train and iron rails. If an air cushion is introduced between the wheel and the rails, the friction will decrease.
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