Q. A person lifts luggage of 20 kg from the ground and puts it on his head 2 in above the ground. Calculate the work done by him. (g = l0 )
A) 400J
B) 20 J
C) 40J
D) 200J
✔ Correct Answer: 400J
Exam Insight
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A) 400J
B) 20 J
C) 40J
D) 200J
✔ Correct Answer: 400J
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