NEET Physics: System of Particles and Rotational Motion — Free Practice Set 21 (10 MCQs)

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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.

0

Easy

10

Medium

0

Hard

Key concepts covered in this specific test include Particle, Velocity, Position, Magnitude, Momentum, and Expression.

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. A \( 3 \, \text{kg} \) particle has a velocity \( \mathbf{v} = 2 \, \hat{\mathbf{i}} \, \text{m/s} \) at position \( \mathbf{r} = 4 \, \hat{\mathbf{j}} \, \text{m} \). What is the magnitude of its angular momentum about the origin?

A. 6 kg m²/s
B. 8 kg m²/s
C. 10 kg m²/s
D. 12 kg m²/s

Q2. In the expression \( \mathbf{v} = \mathbf{\omega} \times \mathbf{r} \), what does \( \mathbf{v} \) represent?

A. Angular velocity
B. Linear velocity
C. Torque
D. Angular momentum

Q3. A uniform rod of mass \( 5 \, \text{kg} \) and length \( 2 \, \text{m} \) is pivoted at its center. What is its moment of inertia about the pivot?

A. 1.5 kg m²
B. 1.67 kg m²
C. 2.0 kg m²
D. 2.5 kg m²

Q4. A \( 3 \, \text{kg} \) particle moves with velocity \( \mathbf{v} = 6 \, \hat{\mathbf{i}} - 4 \, \hat{\mathbf{j}} \, \text{m/s} \) at \( \mathbf{r} = 2 \, \hat{\mathbf{j}} \, \text{m} \). What is the z-component of its angular momentum?

A. -14 kg m²/s
B. -12 kg m²/s
C. -10 kg m²/s
D. -8 kg m²/s

Q5. What happens to the angular velocity of a rigid body if the net external torque is zero?

A. It increases
B. It decreases
C. It remains constant
D. It becomes zero

+ 5 more questions in the actual test

Frequently Asked Questions

Is this practice set completely free?

Yes, all our chapter-wise practice sets are 100% free. You can practice as many times as you want without any hidden charges.

Are these questions relevant for the latest NEET syllabus?

Absolutely. Our content team regularly updates the question bank to strictly align with the latest NTA NEET syllabus and NCERT textbooks.

Can I view the solutions after the test?

Yes, once you submit the test, you will get an instant scorecard along with the correct answers and detailed explanations for every question.

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NEET Physics — System of Particles and Rotational Motion

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Preview of Questions in this Test

Q1. A \( 3 \, \text{kg} \) particle has a velocity \( \mathbf{v} = 2 \, \hat{\mathbf{i}} \, \text{m/s} \) at position \( \mathbf{r} = 4 \, \hat{\mathbf{j}} \, \text{m} \). What is the magnitude of its angular momentum about the origin?

Q2. In the expression \( \mathbf{v} = \mathbf{\omega} \times \mathbf{r} \), what does \( \mathbf{v} \) represent?

Q3. A uniform rod of mass \( 5 \, \text{kg} \) and length \( 2 \, \text{m} \) is pivoted at its center. What is its moment of inertia about the pivot?

Q4. A \( 3 \, \text{kg} \) particle moves with velocity \( \mathbf{v} = 6 \, \hat{\mathbf{i}} - 4 \, \hat{\mathbf{j}} \, \text{m/s} \) at \( \mathbf{r} = 2 \, \hat{\mathbf{j}} \, \text{m} \). What is the z-component of its angular momentum?

Q5. What happens to the angular velocity of a rigid body if the net external torque is zero?

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NEET Physics: System of Particles and Rotational Motion — MCQ Test 21

Q6. Which of the following is a requirement for a rigid body to be in mechanical equilibrium?

Q7. A thin ring of mass \( 3 \, \text{kg} \) and radius \( 0.4 \, \text{m} \) rotates about its center at \( 5 \, \text{rad/s} \). What is its rotational kinetic energy?

Q8. A solid sphere of mass \( 6 \, \text{kg} \) and radius \( 0.4 \, \text{m} \) has an angular momentum of \( 11.52 \, \text{kg m}^2/\text{s} \). What is its angular velocity?

Q9. A thin ring of mass \( 1 \, \text{kg} \) and radius \( 0.4 \, \text{m} \) has a kinetic energy of \( 8 \, \text{J} \). What is its angular speed?

Q10. A torque of \( 25 \, \text{Nm} \) acts on a wheel with moment of inertia \( 5 \, \text{kg m}^2 \) starting from rest. What is its angular speed after \( 2 \, \text{s} \)?

NEET Physics — System of Particles and Rotational Motion

Accelerate Your NEET Preparation

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About this NEET MCQ Test

Preview of Questions in this Test

Q1. A \( 3 \, \text{kg} \) particle has a velocity \( \mathbf{v} = 2 \, \hat{\mathbf{i}} \, \text{m/s} \) at position \( \mathbf{r} = 4 \, \hat{\mathbf{j}} \, \text{m} \). What is the magnitude of its angular momentum about the origin?

Q2. In the expression \( \mathbf{v} = \mathbf{\omega} \times \mathbf{r} \), what does \( \mathbf{v} \) represent?

Q3. A uniform rod of mass \( 5 \, \text{kg} \) and length \( 2 \, \text{m} \) is pivoted at its center. What is its moment of inertia about the pivot?

Q4. A \( 3 \, \text{kg} \) particle moves with velocity \( \mathbf{v} = 6 \, \hat{\mathbf{i}} - 4 \, \hat{\mathbf{j}} \, \text{m/s} \) at \( \mathbf{r} = 2 \, \hat{\mathbf{j}} \, \text{m} \). What is the z-component of its angular momentum?

Q5. What happens to the angular velocity of a rigid body if the net external torque is zero?

Frequently Asked Questions

Is this practice set completely free?

Are these questions relevant for the latest NEET syllabus?

Can I view the solutions after the test?

About TopperSquare

More Physics Chapters for NEET

Explore More NEET Subjects

Everything you need to crack NEET