Q. Before jumping in water from above a swimmer bends his body to
A) Increase moment of inertia
B) Decrease moment of inertia
C) Decrease the angular momentum
D) Reduce the angular velocity
Explanation
(b) In doing so moment of inertia is decreased and hence angular velocity is increased
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.