A body is acted upon by a force proportional to square of distance covered. If the distance covered is denoted by x, then work done by the force will be proportional to :
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a
x
b
x2
c
x-1
d
x3
answer is D.
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Detailed Solution
work done for variable force =∫F.dx here F=kx2w=∫kx2dx=kx33
A body is acted upon by a force proportional to square of distance covered. If the distance covered is denoted by x, then work done by the force will be proportional to :