Rotational MotionHard
Question
A small mass m is attached to a massless string whose other end is fixed at P as shown in the figure. The mass is undergoing circular motion in the x-y plane with centre at O and constant angular speed ω. If the angular momentum of the system, calculated about O and P are denoted by 
respectively, then
respectively, thenOptions
A. do not vary with time.
do not vary with time.B.
varies with time while
remains constant.
varies with time whileremains constant.C. remains constant whilevaries with time.
remains constant whilevaries with time.D.
both vary with time.
both vary with time.
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