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Byju's Answer
Standard XII
Physics
Static Friction
Why Is It Dif...
Question
Why is it difficult to move a bike with its brakes on?
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Solution
Rolling friction:
Brakes prevent the wheels from rolling. To move a bike with brakes on, it must be pushed like a body with no wheels.
With brakes on, it's difficult to move a bike because sliding friction is greater than rolling friction.
The wheels cannot move if the sliding friction is larger than the rolling friction.
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