Questions
A force F=20+10 y acts on a particle in y -direction where F is in newton and y in meter. Work done by this force to move the particle from y=0 to y=1 m is
detailed solution
Correct option is D
Given :F=20+10y work done, W=∫F·dy =∫01(20+10y)dy=20y+102y201=20+102=25 JTalk to our academic expert!
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A body of mass 3 kg is under a force which causes a displacement in it, given by s =t2 / 3 (in m). Find the work done by the force in 2 second
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