Rotational Kinetic Energy — Previous-Year Questions
5 previous-year questions on Rotational Kinetic Energy, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.
Q1. I = 2 kg·m², ω = 10 rad/s. K_rot:
JEE 2022Q2. Total KE of a solid sphere (mass M, speed v) rolling without slipping:
JEE 2021Q3. If a flywheel has I = 50 kg·m² and ω = 100 rad/s, energy stored:
JEE 2020Q4. Power transferred to a rotor by torque 20 N·m at ω = 5 rad/s:
JEE 2019Q5. If a rolling sphere and a sliding block both start from rest at top of an incline (same height), at the bottom:
JEE 2018Rotational Kinetic Energy previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 11 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.