Asked by arya
A uniform chain 10m long and weighing 6 kg permetre hangs vertically.calculate the work required to wind it up..
Plzz solve it
Plzz solve it
Answers
Answered by
Damon
integrate from x = 0 to x = 10
dm/dx = 6 kg/m
F = x * 6 * 9.81
d work = F(x) dx
d work = x (6)(9.81) dx
= (x^2/2) * 6 * 9.81 from 0 to 10
=(100/2)*6*9.81
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