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A heavy box of mass 20 kg is pulled on a...

A heavy box of mass 20 kg is pulled on a horizontal surface by applying a horizontal force. If the coefficient of kinetic friction between the box and the horizontal surface is 0.25, find the force of friction exerted by the horizontal surface on the box.

A

5 N

B

10 N

C

50 N

D

200 N

Text Solution

Verified by Experts

The correct Answer is:
C

Since,
F = Frictional force = `muN`
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