Newton's Laws of Motion — JEE Main PYQs & Practice Questions

Newton's Laws of Motion is a Physics chapter in the JEE Main syllabus. This page brings together 74 previous-year and practice questions on Newton's Laws of Motion, organised into 7 topics: Newton's First Law, Newton's Second Law, Newton's Third Law, Free Body Diagrams, Pseudo Force and Non-Inertial Frames, Constraint Relations and Pulley and Wedge Systems. Most questions come with a step-by-step solution you can work through free in PrepWiser.

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Chapter weightage: how many questions each chapter had per shift in the 2024–26 papers.

Newton's First Law

• Given below are two statements: one is labelled as Assertion A and the other is labelled…
• Newton's first law is valid only in inertial frames of reference.
• Newton's first law is also called:
• A body will continue in its state of rest or uniform motion unless:

Newton's Second Law

• Which of the following are correct statements about Newton's Second Law?
• At t=0, a body of mass 100 g starts moving under the influence of a force (5î+10ĵ)N·…
• A body of mass 5 kg is acted upon by two perpendicular forces of 6 N and 8 N. The…
• Given below are two statements : Statement I : An elevator can go up or down with…
• A body of mass 2 kg moving with velocity of v⃗ᵢₙ = 3 î + 4 ĵ ms⁻¹ enters into a constant…
• A spherical body of mass 2 kg starting from rest acquires a kinetic energy of 10000 J at…
• Two masses A and B, each of mass M are fixed together by a massless spring. A force acts…
• Three forces F₁=10 N, F₂=8 N, F₃=6 N are acting on a particle of mass 5 kg. The forces…
• A balloon and its content having mass M is moving up with an acceleration ‘a’. The mass…
• At any instant the velocity of a particle of mass 500 g is (2 t î+3 t² ĵ) ms⁻¹. If the…
• A particle moves in x-y plane under the influence of a force F⃗ such that its linear…
• A force F⃗ = (40î + 10ĵ)N acts on a body of mass 5 kg. If the body starts from rest, its…
• Three blocks A, B and C are pulled on a horizontal smooth surface by a force of 80 N as…
• A particle moving in the xy plane experiences a velocity dependent force F⃗ = k( v_yî +…
• A body of mass 2 kg moves under a force of ( 2î + 3ĵ + 5k̂ )N. It starts from rest and…
• A force of 10 N acts on a body of mass 2 kg for 3 s. If the body starts from rest, what…
• A block of mass M placed inside a box descends vertically with acceleration 'a'. The…
• A body of mass 4 kg experiences two forces F⃗₁=5 î+8 ĵ+7 k̂ and F⃗₂=3 î-4 ĵ-3 k̂. The…
• A body of mass 500 g moves along x-axis such that it's velocity varies with displacement…
• A wooden block of mass 5 kg rests on a soft horizontal floor. When an iron cylinder of…

Newton's Third Law

• Action and reaction forces always cancel each other's effect on motion.
• Action and reaction forces:
• The recoil of a gun after firing a bullet is best explained by:

Free Body Diagrams

• A flexible chain of mass m hangs between two fixed points at the same level. The…
• A body of mass 1 kg is suspended with the help of two strings making angles as shown in…
• A mass of 10 kg is suspended vertically by a rope of length 5 m from the roof. A force…
• For a free body diagram shown in the figure, the four forces are applied in the 'x' and…
• A body of mass m is suspended by two strings making angles θ₁ and θ₂ with the horizontal…
• A block of √3 kg is attached to a string whose other end is attached to the wall. An…
• A mass of 10 kg is suspended by a rope of length 4 m, from the ceiling. A force F is…
• As shown in figure, a 70 kg garden roller is pushed with a force of F⃗=200 N at an angle…
• An object of mass 'm' is being moved with a constant velocity under the action of an…
• A block of mass 200 g is kept stationary on a smooth inclined plane by applying a…
• A body of weight 200 N is suspended from a tree branch through a chain of mass 10 kg…
• A 1 kg mass is suspended from the ceiling by a rope of length 4 m. A horizontal force…

Pseudo Force and Non-Inertial Frames

• A person is standing in an elevator. In which situation, he experiences weight loss?
• A person standing on a spring balance inside a stationary lift measures 60 kg. The…
• A small block of mass m slides down from the top of a frictionless inclined surface…
• A car is moving on a plane inclined at 30° to the horizontal with an acceleration of 10…

Constraint Relations

• A system to 10 balls each of mass 2 kg are connected via massless and unstretchable…

Pulley and Wedge Systems

• Three blocks M₁, M₂, M₃ having masses 4 kg, 6 kg and 10 kg respectively are hanging from…
• A uniform metal chain of mass m and length 'L' passes over a massless and frictionless…
• The boxes of masse 2 kg and 8 kg are connected by a massless string passing over smooth…
• A light string passing over a smooth light fixed pulley connects two blocks of masses m₁…
• As per given figure, a weightless pulley P is attached on a double inclined frictionless…
• Two bodies of masses m₁=5 kg and m₂=3 kg are connected by a light string going over a…
• A light unstretchable string passing over a smooth light pulley connects two blocks of…
• Two masses M₁ and M₂ are tied together at the two ends of a light inextensible string…
• Three masses m₁=4 kg,m₂=4 kg and m₃=6 kg are suspended from a fixed smooth frictionless…
• A wedge Y with mass of 10 kg and all frictionless surfaces and the inclined surface…
• A light string passing over a smooth light pulley connects two blocks of masses m₁ and…
• A block of mass 40 kg slides over a surface, when a mass of 4 kg is suspended through an…
• Consider a block and trolley system as shown in figure. If the coefficient of kinetic…
• In the given arrangement of a doubly inclined plane two blocks of masses M and m are…
• In the arrangement shown in figure a₁, a₂, a₃ and a₄ are the accelerations of masses m₁…
• A hanging mass M is connected to a four times bigger mass by using a string-pulley…
• A block of mass m slides on the wooden wedge, which in turn slides backward on the…
• All surfaces shown in figure are assumed to be frictionless and the pulleys and the…

More Physics chapters

• Basic Mathematics for Physics
• Units, Dimensions & Errors
• Rectilinear Motion
• Vectors
• Projectile Motion & Relative Motion
• Friction
• Circular Motion
• Work, Energy & Power
• Centre of Mass & Linear Momentum
• Collision
• Rotational Motion
• Gravitation
• Simple Harmonic Motion
• Elasticity
• Fluid Mechanics
• Surface Tension
• Thermometry & Calorimetry
• Kinetic Theory of Gases
• Thermodynamics
• Heat Transfer
• Mechanical Waves
• Sound Waves
• Experimental Skills
• Electrostatics I — Charges, Field & Gauss's Law
• Electrostatics II — Potential & Capacitance
• Current Electricity
• Moving Charges & Magnetism
• Magnetism & Matter
• Electromagnetic Induction
• Alternating Current
• Electromagnetic Waves
• Ray Optics
• Wave Optics
• Dual Nature of Radiation & Matter
• Atomic Physics
• Nuclear Physics
• Semiconductors & Electronic Devices
• Communication Systems

Frequently asked questions

How many Newton's Laws of Motion questions are there for JEE Main?

PrepWiser has 74 Newton's Laws of Motion questions for JEE Main, grouped into 7 topics such as Newton's First Law, Newton's Second Law and Newton's Third Law.

Are these Newton's Laws of Motion questions from previous-year JEE Main papers?

Yes — most are genuine previous-year questions from past JEE Main papers, and the rest are practice questions written to match the JEE Main pattern and difficulty.

Where can I see the answers and solutions to these Newton's Laws of Motion questions?

Open any Newton's Laws of Motion question in PrepWiser (it is free) to attempt it; most come with a step-by-step solution.