Laws of Motion Important Questions for NEET 2025 PDF

Laws of Motion Important Questions for NEET : The Laws of Motion is one of the most crucial topics in physics, especially for NEET preparation. It forms the foundation of understanding how objects move and interact with forces. This article will guide you through the key concepts of the Laws of Motion, provide practice questions, and highlight resources that will help you prepare effectively for the NEET 2025 exam .

Laws of Motion Important Questions for NEET Overview

The Laws of Motion , introduced by Sir Isaac Newton, explain the relationship between the motion of an object and the forces acting upon it. The three laws — Newton’s First Law, Second Law, and Third Law — help in understanding how objects respond to forces. This topic is very important for NEET, as it is fundamental to many other physics concepts, especially mechanics. Mastering this chapter is essential for scoring well in the NEET exam.

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What are Laws of Motion?

The Laws of Motion are three basic principles that describe the behavior of objects in motion.

• Newton’s First Law : It states that an object at rest will remain at rest, and an object in motion will stay in motion unless acted upon by an external force. This is also called the law of inertia.
• Newton’s Second Law : This law states that the force acting on an object is equal to its mass times its acceleration (F = ma).
• Newton’s Third Law: It says that for every action, there is an equal and opposite reaction.

These laws help explain the forces involved in the movement of objects, from simple everyday experiences to complex scientific phenomena.

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Practice Questions for Laws of Motion for NEET

Here, we have provided some questions as a sample for practice. Students can also download the practice question PDF for this chapter. This PDF will help students practice various types of questions and understand the concepts more effectively.

Q1. For a body of 25 kg mass, the velocity-time graph is shown in the figure. The force acting on the body is:

1. 25 N
2. 50 N
3. 12.5 N
4. 100 N

Q2. A particle of mass 2 kg is initially at rest. A force acts on it whose magnitude changes with time. The force-time graph is shown below:

The velocity of the particle after 10 s is:

1. 20 ms⁻¹
2. 10 ms⁻¹
3. 75 ms⁻¹
4. 50 ms⁻¹

Q3. The linear momentum p of a body moving in one dimension varies with time according to the equation p = a + bt², where a and b are positive constants. The net force acting on the body is:

1. a constant
2. proportional to t²
3. inversely proportional to t
4. proportional to t

Q4. A body of mass 2 kg moving on a horizontal surface with an initial velocity of 4 m/s comes to rest after 2 seconds. If one wants to keep this body moving on the same surface with a velocity of 4 m/s, the force required is:

1. 8 N
2. 4 N
3. Zero
4. 2 N

Q5. What is the acceleration of 5 kg mass?

F = 16 N

1. 2 m/s²
2. 4 m/s²
3. 1 m/s²
4. 3 m/s²

Q6. When a train stops suddenly, passengers in the running train feel an instant jerk in the forward direction because:

1. The back of the seat suddenly pushes the passengers forward
2. Inertia of rest stops the train and takes the body forward
3. Upper part of the body continues to be in the state of motion whereas the lower part of the body in contact with the seat remains at rest
4. Nothing can be said due to insufficient data

Q7. A block of mass m is released on a smooth inclined plane of inclination θ with the horizontal. The force exerted by the plane on the block has a magnitude:

1. mg
2. mg/cosθ
3. mg tanθ
4. mgcosθ

Laws of Motion Important Questions for NEET PDF

Physicswallah is providing the PDF for the chapter of Laws of Motion Important Questions for NEET under the Prachand NEET batch 2025 . This PDF includes detailed explanations along with an answer key, which will help students learn the concepts better. Additionally, students can scan the QR code provided in the PDF to view solutions for each question, ensuring a deeper understanding of the material.

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