Question : A particle of mass π is moving in a horizontal circle of radius π, under a centripetal forceπ π 2β² where π is a constant.
a) The potential energy of the particle is zero
b) The potential energy of the particle is k/r
c) The total energy of the particle is βk/2r
d) The Kinetic energy of the particle is βk/r
Answer : option (A)
Solution :
