Q. A swimmer while jumping into water from a height easily forms a loop in the air, if
A) He pulls his arms and legs in
B) He spreads his arms and legs
C) He keeps himself straight
D) None of the above
Explanation
(a) He decreases his Moment of inertia by this act and therefore increases his angular velocity
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.