A conservative force is acting on a particle. Work done by the force in displacing the particle from A to B is 90 J, from A to C is 140 J. Then the work done by the force in displacing the particle from B to C is
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a
80 J
b
230 J
c
60 J
d
50 J
answer is D.
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Detailed Solution
Since work done by conservative force is independent of the path followed we can write WAB+WBC=WAC⇒WBC=WAC−WAB=140−90J=50 J