1.

A lift is moving downwards with an acceleration equal to the acceleration due to gravity. A body of mass M kept on the floor of the lift is pulled horizontally. If the coefficient of friction is \[\mu \], then the friction resistance offered by the body is

A. \[Mg\]
B. \[\mu Mg\]
C. \[2\mu Mg\]
D. zero
Answer» E.


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