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Questions  

In the figure, mA = 3kg and mB = 4 kg. For what minimum value of F, A starts slipping over B:(g=10ms–2)

a
24N
b
41N
c
36N
d
20N

detailed solution

Correct option is B

Minimum value of applied force for which A will slip over B is given by= (0.3 x 3 + 0.8 x 4) x 10N= 41N

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