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A horizontal force of 10N is necessary t...

A horizontal force of 10N is necessary to just hold a block stationary against as well. The coefficient of friction between the block and the wall is 0.2. The weight of the block is

A

2N

B

20N

C

50N

D

100N

Text Solution

Verified by Experts

The correct Answer is:
A
`f=mgimpliesmu N=mgimpliesmg=0.2xx10=2N`
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