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A block of mass 'm' is held stationary a...

A block of mass 'm' is held stationary against a rough wall by applying a force F as shown. Which one of the following statement is incorrect ?

A

Friction force `f=mg`

B

Normal reaction `N=F`

C

F will not produce a torque

D

N will not produce any torque

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The correct Answer is:
d
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