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?
Myself Zara
From Delhi
Standard 8th
Age 14
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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?
Myself Zara
From Delhi
Standard 8th
Age 14
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Verified answer
Answer:
M = 20 kg
h = 1 m
Work done against gravitational force,
W = mgh
= 20 x 9.8 x 1
= 196 J
Step-by-step explanation:
but my age is 10