Questions
A particle of mass 'm' is moving along X-axis under a force work done for the motion of particle from x = 4 m to x = 9 m is nearly:
a
19.2 k
b
8.6 k
c
32.3 k
d
12.7 k
detailed solution
Correct option is D
Work done =∫Fdx=∫49 kxdx=23kx3/249=383k=12.7kTalk to our academic expert!
Similar Questions
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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