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A book of weight 20N is pressed between ...

A book of weight 20N is pressed between two hands and each hand exerts a force of 40N. If the book just starts to slide down. Coefficient of friction is

A

0.25

B

0.2

C

0.5

D

0.1

Text Solution

Verified by Experts

The correct Answer is:
A
`f_(s)=mu_(S)N, mu=(f_(s))/(N)=(mg)/(2F)`
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