A man lifts a mass of 20kg to a height of 2.5 m. Assuming that the force of gravity on 1kg mass is 10N. Find the work done by the man.
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Answered by
59
Given
h=2.5m,g=10,m=20kg.
W=mgh
W=20×10×2.5
W=200×2.5
W=20×10×25/10
W=20×25
W=500J
Answered by
12
Answer:
Given
h = 2.5m
g= 10N
m = 20 kg
W = mgh
20 × 10 × 2.5
200 × 2.5
20 × 10 × 25÷10
20 × 25
W = 500J
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