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A lify has an upward acceleration of 1.2m/sec^2.A man weighing 800N is in the lift.What force will be exerted on the floor of the lift? If the lift is descending with the same acceleration,what force will the man exert on the floor of the lift? Also find there mass and weight in both case's on ascending and descending?
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Change is acceleration when going upwards
Mass will remain constant ,
New acceleration : ( g +1.2)= 10+1.2 = 11.2, then
Force exerted when going upwards = 80*11.2= 896 N ,
Similarly for downwards at same deceleration rate : 10-1.2 * 80 = 704 N
Mass will remain constant ,
New acceleration : ( g +1.2)= 10+1.2 = 11.2, then
Force exerted when going upwards = 80*11.2= 896 N ,
Similarly for downwards at same deceleration rate : 10-1.2 * 80 = 704 N
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