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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

frictional force f = mg

B

F = N `N^(-)` is normal reaction

C

F does not apply any torque

D

N does not apply any torque

Text Solution

Verified by Experts

The correct Answer is:
D

Torque of F is not zero .
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GRB PUBLICATION-FRICTION AND CIRCULAR MOTION -OBJECTIVE QUESTIONS ( only one choice is correct )
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