A 50kg Man With 20kg Load On His Head Climbs Up 20 Steps Of 0.25m Height Each
Joe
4 Years Ago
asked Oct 04 12:00:00 AM
The correct answer is
D) 3430 J
Solution-
Total mass = (50+20)
= 70kg
Total height = 20*0.25
= 5m
Work done = mgh
= 70*9.8*5
= 3430 J.
asked Oct 25 12:00:00 AM
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