Q. When a mass is rotating in a plane about a fixed point, its angular momentum is directed along
A) A line perpendicular to the plane of rotation
B) The line making an angle of $45{^\circ}$ to the plane of rotation
C) The radius
D) The tangent to the orbit
Explanation
(a) It’s always in axial direction
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.