A boy of mass 50kg runs up a set of stairs of total height of 3.0m.find the work done against gravity

19 answers

Answer of the question

Work done= force x displacement.
W = f x s
W = (50 x 10) x 3
W = 1500J

Workdone 1500

Work done =force ×displacement
W=F×S
=Mg×h =Mgh
W=(50×10)×3.0
W=(500)×3.0
W=1500 Joules.

W= mgh
W= 50×3.0×10
W= 1500J

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Work done=forcexdisplacement
W=fxs
W=50x10x3
W=1500J

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Very correct

W=mas =m*a=50*30=1500j

Work done=mgh=50×10×3=1500

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Mather

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w=mgh
50*10*3=1500j