Assertion :It is difficult to move a bike with its breaks on. Reason: Sliding friction is greater than rolling friction.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Brakes ensure no rolling of wheels. So with brakes on, to move a bike it has to be pushed like a body with no wheels. Since sliding friction is greater than rolling friction, it is hard to move a bike with brakes on.

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