NEET Physics: System of Particles and Rotational Motion — MCQ Test 8

Q6. Why does a spinning top precess when tilted?

Q7. A uniform disk of mass \( 3 \, \text{kg} \) and radius \( 0.6 \, \text{m} \) rotates about its center. What is its moment of inertia?

Q8. Which statement is true about the vector product of two vectors?

Q9. A hollow sphere of mass \( 2 \, \text{kg} \) and radius \( 0.3 \, \text{m} \) has an angular momentum of \( 6 \, \text{kg m}^2/\text{s} \). What is its angular velocity?

Q10. What is the key assumption about distances in a rigid body during rotational motion?

NEET PhysicsSystem of Particles and Rotational Motion

Free MCQ Test 8 of 22

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What is the relationship between torque and angular acceleration for a rigid body?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter System of Particles and Rotational Motion. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Relationship, Acceleration, Magnitude, Cylinder, Momentum, and Spinning.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. What is the relationship between torque and angular acceleration for a rigid body?

  • A. Inversely proportional
  • B. Directly proportional
  • C. Equal in magnitude
  • D. Independent of each other

Q2. Two vectors are given as \( \mathbf{a} = 2 \, \hat{\mathbf{i}} + 3 \, \hat{\mathbf{j}} \) and \( \mathbf{b} = -3 \, \hat{\mathbf{i}} + 4 \, \hat{\mathbf{j}} \). What is the magnitude of their vector product \( \mathbf{a} \times \mathbf{b} \)?

  • A. 15
  • B. 16
  • C. 17
  • D. 18

Q3. A uniform rod of mass \( 6 \, \text{kg} \) and length \( 3 \, \text{m} \) is pivoted at one end. What is its moment of inertia about the pivot?

  • A. 15 kg m²
  • B. 16 kg m²
  • C. 18 kg m²
  • D. 20 kg m²

Q4. What does the moment of inertia of a rigid body depend on?

  • A. Only the mass of the body
  • B. Only the shape of the body
  • C. Mass and its distribution about the axis
  • D. Only the angular velocity

Q5. A hollow cylinder of mass \( 3 \, \text{kg} \) and radius \( 0.2 \, \text{m} \) rotates at \( 15 \, \text{rad/s} \). What is its angular momentum about its axis?

  • A. 1.5 kg m²/s
  • B. 1.8 kg m²/s
  • C. 2.0 kg m²/s
  • D. 2.2 kg m²/s

+ 5 more questions in the actual test

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