Question

calculate the work done by a boy lifting a 10 kg laptop from the ground and keeping it on a shelf 1.5 high
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Answer 1

Answer:

work done=147 Joule

Explanation:

work done = mass x g x height

= 10 x 9.8 x 1.5

= 147 joule

Answer 2

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• The work done is against gravity therefore....W=MGH
• W=10×9.8×1.5
• SO, THE WORK DONE WILL BE 147 JOULE.....