Answer:
(i) The power delivered to a body can also expressed in term of the force
F applied to the body and the velocity v of the body
where F = Force, S = displacement and t = time P =
F - v
[v =
velocity of the body]
Given, power andWe know that,
power (P) = F.v
Therefore, man working at the power of 100 W can lift 10
kg.
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