A uniform solid disk and a thin hoop each have the same mass and radius
PHYSICS · Subjective · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion
Problem
A uniform solid disk and a thin hoop each have the same mass M and radius R. Both rotate about their central axes with the same angular speed ω. Without performing numerical calculations, indicate which object has the greater rotational kinetic energy and briefly state the reasoning underlying your choice.