Q. A particle moves in a circular path with decreasing speed. Choose the correct statement
A) Angular momentum remains constant
B) Acceleration $(\overrightarrow{a})$ is towards the centre
C) Particle moves in a spiral path with decreasing radius
D) The direction of angular momentum remains constant
Explanation
(d) Angular momentum is an axial vector. It is directed always in a fix direction (perpendicular to the plane of rotation either outward or inward), if the sense of rotation remain same
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.