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Block a of mass 4 kg is to be kept at re...

Block a of mass 4 kg is to be kept at rest against a smooth vertical wall by applying a force F as shown in figure. The force required is :- `(g=10m//s^(2))`
ltimg src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/ALN_PHY_R01_E05_021_Q01.png" width="80%"gt

A

`40sqrt(2)N`

B

`20sqrt(2)N`

C

`10sqrt(2)N`

D

`15sqrt(2)N`

Text Solution

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The correct Answer is:
A
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