calculate the work done by a student in lifting a packet of books of mass 5 kg from the grounds and keeping it on a sleep 1.5 m heigh ( take g=10 m/s)
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Explanation:
force by books=5x10=50 N
work done=force*discplacement
=50*1.5
= 75Nm
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Answered by
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Answer:
Work done =change in potential energy
=mgh
=50×10×1.5=75J
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