Work done to holding 20 kg object from 1 m above the ground level
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WORK DONE = FORCE * DISTANCE OF DISPLACEMENT
Work Done = F*s .....................(1)
Mass = 20kg
Distance = 1m
Gravity 'g" = 9.8 m/s^2
Force = mass*acceleration= 20*9.8 kg.m/s^2
= 196 N
Work Done = 196 * 1 ..............................(using equation 1 )
= 196 J .
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