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Question

A man of mass m slides down along a rope which is connected to the ceiling of an elevator with deceleration a m/s2 relative to the rope. If the elevator is going upward with an acceleration a m/s2 relative to the ground, then tension in the rope is

A
mg
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B
m(g+2a)
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C
m(g+a)
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D
zero
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Solution

The correct option is A mg
F.B.D of man w.r.t elevator
ma+mgT=ma
T=mg

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