a body of 40 kg mass. is taken to a height of 5metre . what is the work done? given g=10ms-2
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Answer:
work done =mgh
=40×10×5
=2000J
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given
mass(m) =40kg
height =5m
acceleration of gravity(g)=10m/s²
we know that
force(F)=mass(m)×acceleration of gravity(g)
Force (F)= 40×10
Force(F)=400 N
we know that
work done (W)=Force(F)×distance(height)
work done(W)= 400×5
work done (W)=2000 joules
answer is 2000 joules
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