Questions
The adjoining diagram shows the velocity versus time plot for a particle. The work done by the force on the particle is positive from
a
A to B
b
B to C
c
C to D
d
D to E
detailed solution
Correct option is A
From the graph it is clear that force is acting on the particle in the region AB and due to this force kinetic energy (velocity) of the particle increases. So the work done by the force is positive.Talk 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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