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Questions  

A man of mass 65 kg. is standing stationary with respect to a conveyor belt which is accelaccelerating with 1m / s2 . If μs is 0.2, the net force on the man and the maximum acceleration of the belt so that the man is stationary relative to the belt are (g =10m / s2 )

a
zero, 2m / s2
b
65N, 2m / s2
c
zero, 1m / s2
d
65N,1m / s2

detailed solution

Correct option is A

amax=μg

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