Question

the work done in lifting a suitcase of mass 10 kg at height of 2m from the ground

Answer 1

w =force×displacement
=m×g×h
=10×2×10
=200J


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Answer 2

mass=10kg

height=2m

since the object is kept at a height it posess potential energy,

and we know that potential energy= work done

P.E= mgh( taking g = 10)

P.E=work done=mgh

10*10*2=200 joules