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Which brake is more effective on a bicyle wheel?

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0 votes
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in Physics by (735 points)
A) Larger one

B) smaller one

C) both are equally effective

D) none

Please justify your answer.
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1 Answer

0 votes
by (53.0k points)

Correct option (c)

Explanation:

Force of friction is independent of the area of contact. Therefore, large brakes or small brakes have the same effect. 

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