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A horizontal force 10 N is necessary to ...

A horizontal force 10 N is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.2, the weight of the block is
` (##AAK_P2_NEET_PHY_SP2_C05_E03_055_Q01.png" width="80%">

A

20N

B

50N

C

100N

D

2N

Text Solution

Verified by Experts

The correct Answer is:
D
The block will be stationary so long as mg=f=force of friction`=muR`
`=0.2xx10=2N`
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