Example 1 · difficulty 2/5
Which quantity can change due solely to internal forces in an isolated system of particles?
- A. Kinetic energy
- B. Total linear momentum
- C. Velocity of centre of mass
- D. Total mass
2021 source guide · Physics
NEET 2021 Physics Rotational Motion Questions
Connect the official 2021 paper with current Physics practice without labelling original previews as PYQs.
250 original questions · explicit provenance labels
PhysicsPlate 17
NeetVellum atlas · fig. physics
17
What to master
centre of mass, torque, angular momentum, rolling and moment of inertia.
Original practice preview
These are current-syllabus NeetVellum questions, shown separately from historical-paper provenance.
Example 2 · difficulty 1/5
The vector product r × F represents:
- A. Work done by the force
- B. Torque about the chosen origin
- C. Linear impulse
- D. Power delivered
Example 3 · difficulty 1/5
A force of 10 N acts perpendicular to a position vector of magnitude 0.5 m. The torque magnitude is:
- A. 10 N m
- B. 20 N m
- C. 5 N m
- D. 0.05 N m
The evidence-first practice loop
- 1. Verify provenanceOfficial paper and final key before accepting a PYQ label.
- 2. Attempt closed-bookExpose the concept or execution gap before rereading.
- 3. Repair and returnClassify the miss and re-practice after a delay.
Canonical chapter practice
Frequently asked questions
Are these official NEET 2021 Physics Rotational Motion PYQs?
No. The previews are original NeetVellum practice questions. A historical item receives a PYQ label only after its official paper and authoritative final answer key are attached. Use the official archive for the source paper.
How should I use the NEET 2021 paper?
Solve the official paper under its original timing, verify against the final key, classify every miss, and then use the linked current-syllabus practice bank to repair the exposed concept.