JEE Main Physics question

Physics Laws of Motion JEE Main

In the above question, if the lift is moving upwards with a uniform velocity, then the frictional resistance offered by the body is

(A)Mg
(B)μMgCorrect
(C)2μMg
(D)Zero

Answer: (B)

Solution

This question continues the scenario of Q614 (a lift descending with acceleration equal to g; a body on its floor, coefficient of friction μ, pulled horizontally), now with the lift instead moving upward at constant

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Question ID VK-153534