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Question: The work done in raising a mass of 15 gm from the ground to a table of 1m height is...

The work done in raising a mass of 15 gm from the ground to a table of 1m height is

A

15 J

B

152 J

C

1500 J

D

0.15 J

Answer

0.15 J

Explanation

Solution

W = mgh =15×10−3×10×1=0.15 J= 15 \times 10 ^ { - 3 } \times 10 \times 1 = 0.15 \mathrm {~J}