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When a man of 500N lifts a weight of 100N through a ladder of 4m long in 3second. Find the work done by man.

When a man of 500N lifts a weight of 100N through a ladder of 4m long in 3second. Find the work done by man.

Grade:10

1 Answers

jitender
114 Points
6 years ago
W against gravity = MgE = (100+500)×4= 2.4KJWeight = Mg in NewtonM= mass of Man + extra massHence work done by man in lifting a block = 2.4KJ

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