work is done by the boy

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter2: Newtonian Mechanics-single Particle
Section: Chapter Questions
Problem 2.27P: A rope having a total mass of 0.4 kg and total length 4 m has 0.6 m of the rope hanging vertically...
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19.) A teenager lifts a 45 kilogram bale of rice onto
the back of truck two metres above the ground. (a)
How much force is required to lift the bale of rice?
(b) How much work is done by the boy in loading the
bale of rice to the back of the truck?
Transcribed Image Text:19.) A teenager lifts a 45 kilogram bale of rice onto the back of truck two metres above the ground. (a) How much force is required to lift the bale of rice? (b) How much work is done by the boy in loading the bale of rice to the back of the truck?
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