Q. If a worker is holding a box of mass 200 kg to a height of 2 m for 10 s, what is the work done by the worker?
Hi Sofia
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Q. If a worker is holding a box of mass 200 kg to a height of 2 m for 10 s, what is the work done by the worker?
Hi Sofia
How r u?
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Answer:
hi Zara
Step-by-step explanation:
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M = 20 kg
h = 1 m
Work done against gravitational force,
W = mgh
= 20 x 9.8 x 1
= 196 J