Question

When you apply brakes the bicycle stops and the rim of the wheel becomes hot..explain

Answer 1

when we apply the break than bicycle s rim becomes hot .its only one cause fiction. when we apply the break than friction increased because rotational motion change in sliding motion .And in sliding motion friction is much more than rotational motion .and rim became hot.
hope you are understand.

Answer 2

Answer: When we apply brakes the rim and the rubber brakes and rim is rubbed they get heated

Explanation: Example when you take a coin and rub the one side with table touch the rubbed side that is heated