Class 11 · Physics
System of Particles and Rotational Motion
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PhysicsPlate 42
NeetVellum atlas · fig. physics
42
Question preview
Three examples from the live 250-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 1/5
Two particles of masses 2 kg and 6 kg are fixed at a separation of 4 m. How far is the centre of mass of the system located from the 2 kg particle?
- A. 1.0 m
- B. 1.5 m
- C. 3.0 m
- D. 2.5 m
Example 2 · difficulty 2/5
The moment of inertia of a uniform rod of mass M and length L about a perpendicular axis through one end is ML²/3. Its moment of inertia about a perpendicular axis passing through a point at a distance L/4 from one end of the rod is:
- A. ML²/12
- B. 7ML²/48
- C. ML²/16
- D. 5ML²/48
Example 3 · difficulty 3/5
A student on a frictionless rotating stool spins with angular speed ω while holding dumbbells in outstretched hands. She pulls her arms in, reducing the moment of inertia of the system to half its initial value. The ratio of her final rotational kinetic energy to the initial rotational kinetic energy is:
- A. 1 : 1
- B. 4 : 1
- C. 1 : 2
- D. 2 : 1
The chapter mastery loop
- 1. Attempt firstExpose recall gaps before rereading.
- 2. Classify the missConcept, careless, rushed or guessed.
- 3. Re-practiceReturn until the error pattern disappears.
Frequently asked questions
How many System of Particles and Rotational Motion NEET questions are available?
NeetVellum publishes 250 verified questions for this chapter. Free accounts use the daily UG quota; UG Pro removes it.
How should I revise System of Particles and Rotational Motion for NEET?
Attempt questions before rereading, classify each miss, revisit the exposed NCERT concept, then re-practice until the error pattern disappears.