A man climbs a ladder carrying a concrete block of mass 5kg. If the ladder makes an angle of 300 to the vertical and is 3m long. how much work the man does on the block?
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Answered by
1
Answer:
Hi there
ur answer
Explanation:
The man climbs at elevator speed of the vertical ladder.
A concrete block of mass = 5 kg
The angle of the ladder is 30 degree and long with 3 m.
According to the formula, Work = Fs
F = mg
S =h
So, F (0) =0
So the answer is 0 (zero)
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Answered by
1
Answer:
the ans is 129.9
Explanation:
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