Lift is moving downward with an acceleration equal to the acceleration due to gravity a body of mass m kept on a floor of the lift is pulled her gently if the coefficient of friction is new 10 the friction resistance offered by body
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As mentioned in the attached picture, normal reaction force = 0, which implies that the person and the lift are no longer in contact. Frictional resistance comes into play only when there is a contact between bodies considered. Hence here, frictional resistance =0
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