Q9 · Angular Momentum

Problem

Mass on string, circular motion in xy-plane about O. Compare L about O and about fixed point P.

Options

Option	Value
(A)	Both constant
(B)	L_O varies, L_P constant
(C)	L_O constant, L_P varies
(D)	Both vary

Solution steps coming soon.

Hints

• L = r × p. Direction of r from P changes with time.

Answer

(C)