A particle is moving in a circle of radius 
under the action of a force 
which is directed towards centre of the circle. Total mechanical energy (kinetic energy + potential energy) of the particle is (take potential energy 
for 
) :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
As we know, dU = F.dr
As, 
or, 
Total energy 
Potential energy + kinetic energy Now, from eqn (i) and (ii)
Total energy 
K.E. + P.E.
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