A particle of mass m is doing horizontal circular motion with the help of a string (conical pendulu) as shown in the figure. If speed of the particle is constant then, A. the angular momentum of the particle about O is changingB. magnitude of angular momentum about O remains constantC. z component of the angular momentum remains conservedD. z component of torque is always zero.

A particle of mass m is doing horizontal circular motion with the help

1.	A particle of mass m is doing horizontal circular motion with the help of a string (conical pendulu) as shown in the figure. If speed of the particle is constant then, A. the angular momentum of the particle about O is changingB. magnitude of angular momentum about O remains constantC. z component of the angular momentum remains conservedD. z component of torque is always zero.
Answer» Correct Answer - A::B::C::D

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