Find the work done by a student in lifting a 0.5 kg book from the ground and keeping it on a shelf of height 5m.
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Find the work done by a student in lifting a 0.5 kg book from the ground and keeping it on a shelf of height 5m.
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Step-by-step explanation:
Work done =change in potential energy
=mgh
=0.5×10×1.5=7.5J
Work done =change in potential energy
=mgh
[tex]0.5 \times 10 \times 5 = 25[/tex]