- Amal Augustine
- December 17, 2025
Master Newton’s Laws Numericals in Action: High-Scoring MCQs That Eliminate Conceptual Errors
Understanding Newton’s laws numericals is crucial for mastering classical mechanics in physics. These Newton’s laws numericals questions test not only formula application but also conceptual clarity related to force, momentum, impulse, inertial frames, elevators, rockets, and real-life motion scenarios.
In competitive exams like NEET, JEE, and state boards, students often lose marks due to small conceptual errors—especially in Newton’s laws numericals ,laws of motion MCQs involving changing frames of reference, impulse-momentum relations, and Newton’s second and third laws. This post compiles high-quality multiple-choice questions of Newton’s laws numericals that directly reflect exam patterns and help eliminate common mistakes.
Newton’s laws numericals test an aspirants ability to translate physical situations into correct force equations rather than simply substituting values into formulas.Regular practice of Newton’s law numericals improves speed and accuracy, especially in time-bound exams like NEET and JEE.
Newton’s Laws Numericals MCQs (With Answers)
1.
An object is moving at constant velocity. The total force acting on it is
A. F=mv22F = \frac{mv^2}{2}
B. F=mvF = mv
C. F=0F = 0
D. F=mv2F = mv^2
Answer: C
2.
The net force acting is not zero on
A. A retarding train
B. A ball falling with terminal velocity
C. A kite held stationary
D. A truck moving with constant velocity
Answer: A
3.
Which one of the following is NOT a contact force?
A. Viscous force
B. Friction
C. Air resistance
D. Magnetic force
Answer: D
4.
A 10 N force produces an acceleration of 1 m/s². The mass of the body is
A. 5 kg
B. 10 kg
C. 15 kg
D. 20 kg
Answer: B
5.
A body under force F=6i−8j+10kF = 6i – 8j + 10k acquires acceleration 1 m/s². Its mass is
A. 2 kg
B. 10 kg
C. 20 kg
D. 200\sqrt{200} kg
Answer: D
6.
A ball of mass 0.1 kg rebounds from a bat with same speed. The force exerted is
A. 50 N
B. 100 N
C. 200 N
D. 400 N
Answer: C
7.
If light and heavy bodies have equal momentum, then
A. Lighter body has greater kinetic energy
B. Heavier body has greater kinetic energy
C. Both have equal KE
D. KE is independent of momentum
Answer: A
8.
Momentum changes from 10 g·cm/s to 40 g·cm/s in 3 s. Force is
A. 10 dyne
B. 10 N
C. 12 dyne
D. 12 N
Answer: A
9.
A force of 1 N acts on 1 kg mass. Acceleration produced is
A. 1 km/s
B. 1 m/s²
C. 1 m/s
D. 1 km/s²
Answer: B
10.
Momentum of a body of mass 3.513 kg moving at 5 m/s is
A. 17.6
B. 17.565 kg·m/s
C. 17.56
D. 17.57
Answer: B
11.
Rocket ejects 0.05 kg/s gas at 400 m/s. Thrust is
A. 20 N
B. 2 N
C. 100 N
D. 200 N
Answer: A
12.
If momentum varies as p=a+bt+ct2p = a + bt + ct^2, force varies as
A. Linear function of time
B. Constant
C. Quadratic
D. Inverse of time
Answer: A
13.
Three forces keep a body in equilibrium. The third force is
A. Equal and opposite to resultant of first two
B. Zero
C. Same direction
D. Double in magnitude
Answer: A
14.
Momentum of mass m falling through height h is
A. √mgh
B. m√(2gh)
C. m√gh
D. Zero
Answer: B
15.
Which does NOT represent force?
A. Friction
B. Impulse
C. Tension
D. Weight
Answer: B
16.
Impulse is equal to change in
A. Velocity
B. Energy
C. Momentum
D. Mass
Answer: C
17.
Passengers fall outward in a turning bus due to
A. Acceleration
B. Speed
C. Inertia of direction
D. Force
Answer: C
18.
Momentum depends on
A. Velocity & time
B. Mass & distance
C. Mass & velocity
D. Force & time
Answer: C
19.
An observer on Earth is non-inertial because Earth
A. Revolves
B. Rotates
C. Both A and B
D. None
Answer: C
20.
Machine gun firing bullets exerts force due to
A. Conservation of energy
B. Newton’s third law
C. Gravity
D. Inertia
Answer: B
21.
A ball rebounds with same speed from wall. Impulse is
A. Zero
B. mv
C. 2mv
D. mv/2
Answer: C
22.
If external force on system is zero, momentum is
A. Zero
B. Increasing
C. Decreasing
D. Conserved
Answer: D
23.
Rocket propulsion works on
A. Conservation of mass
B. Conservation of energy
C. Newton’s third law
D. First law
Answer: C
24.
When lift moves upward with acceleration, apparent weight
A. Decreases
B. Increases
C. Zero
D. Remains same
Answer: B
25.
Net force needed to keep body in uniform motion is
A. Large
B. Small
C. Variable
D. Zero
Answer: D
26.
Action–reaction forces act on
A. Same body
B. Different bodies
C. Same direction
D. Same surface
Answer: B
27.
Impulse is a
A. Scalar
B. Vector
C. Tensor
D. Dimensionless
Answer: B
28.
A body moving with constant velocity has acceleration
A. Large
B. Small
C. Zero
D. Infinite
Answer: C
29.
Force equals rate of change of
A. Energy
B. Velocity
C. Mass
D. Momentum
Answer: D
30.
Greater stopping time while catching reduces
A. Momentum
B. Force
C. Impulse
D. Velocity
Answer: B
31.
Newton’s first law defines
A. Force
B. Acceleration
C. Inertia
D. Momentum
Answer: C
32.
Newton’s second law is valid in
A. Rotating frame
B. Accelerating frame
C. Inertial frame
D. Any frame
Answer: C
33.
Recoil of gun is due to
A. Inertia
B. Gravity
C. Friction
D. Conservation of momentum
Answer: D
34.
Impulse unit is
A. N
B. J
C. N·s
D. kg
Answer: C
35.
Force applied internally to a system can change
A. Total momentum
B. Individual momentum
C. Total mass
D. External force
Answer: B
Conclusion
Mastering Newton’s laws numericals requires much more than memorizing formulas—it demands a clear understanding of force interactions, momentum change, impulse, and frames of reference. Newton’s laws numericals questions involving lifts, trains, rockets, and collisions are designed to test how well students apply Newton’s laws to real-world motion.
Newton’s laws numericals frequently include hidden assumptions, such as neglecting air resistance or considering ideal strings and pulleys.Solving these Newton’s laws numericals builds strong logical reasoning, as each step must follow directly from the physical laws governing motion.Understanding Newton’s laws numericals helps bridge the gap between theoretical physics and real-world mechanical systems.
By practicing these Newton’s laws numericals of laws of motion MCQs, students develop strong conceptual foundations that help them avoid common exam traps. Regular exposure to such Newton’s laws of numericals builds confidence, accuracy, and speed—three essentials for success in physics examinations.
Amal Augustine is the founder of ExQuizMe, a dynamic learning and quiz platform built to make education engaging, competitive, and fun. A passionate learner and an academic achiever, Amal completed his schooling at Government HSS Manjapra, graduating with 92.5% in Computer Science. He later earned his degree from St. Stephen’s College, University of Delhi, one of India’s most prestigious arts and science institutions.
Currently, Amal is pursuing his Master’s degree at National Sun Yat-sen University, Taiwan, where he continues to deepen his interest in research and technology. Throughout his school and college years, he won 50+ national-level interschool and collegiate quiz competitions, was
Beyond academics, Amal Augustine is an avid reader of science journals, a dedicated research student, and a technology enthusiast who loves programming and exploring the world of Computer Science. Through ExQuizMe, he aims to make learning accessible, enjoyable, and empowering for students across the globe.