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A block of mass 10 kg is kept on floor of a lift moving up with deceleration 4 m/s². Normal force acting on the block is _____ N.

A block of mass 10 kg is kept on floor of a lift moving up with deceleration 4 m/s². Normal force acting on the block is _____ N.

Grade:12

1 Answers

Mukesh Sharma
askIITians Faculty 43 Points
7 years ago
formula for normal force in lift is a Fn = ma + mg
here a=-4 because its decelerating so by putting the values Fn=-4*10+10*9.8
Fn=58

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