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
Correct Answer: D
Solution :
For equilibrium, f = Mg F = N For rotational equilibrium normal will shift downward. Hence torque due to friction about centre of mass = Torque due to normal reaction about centre of mass.You need to login to perform this action.
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