- Amal Augustine
- December 16, 2025
Mastering Laws of Motion Physics Questions: High-Scoring Physics Numericals for Success
Understanding Laws of Motion Physics Questions is essential for mastering mechanics in school exams as well as competitive tests like NEET, JEE, and other entrance examinations. These laws of motion physics questions test a student’s ability to apply Newton’s laws to real-world situations involving force, momentum, impulse, recoil, rockets, elevators, and collisions. Rather than memorizing formulas, success in this topic of laws of motion physics questions depends on strong conceptual clarity and regular numerical practice.
Laws of motion physics questions test how forces influence changes in velocity, direction, and momentum rather than just motion itself.Many laws of motion physics questions MCQs on Newton’s laws focus on identifying whether acceleration exists even when speed appears constant.Laws of motion physics questions problems based on the first law emphasize inertia and help distinguish between balanced and unbalanced forces.
This blog post presents a carefully curated set of Laws of Motion Physics Questions with multiple-choice options and verified answers. Each laws of motion physics questions is designed to strengthen problem-solving skills, improve speed and accuracy, and help aspirants confidently tackle numericals based on force–momentum relationships. Whether aspirants are revising fundamentals or preparing for high-scoring performance, this collection serves as an effective practice resource.
Laws of Motion Physics Questions MCQs with Options and Answers:
1. An object is moving at constant velocity. The total force acting on the object is
A. F = v²/2m
B. F = mv
C. F = 0
D. F = mv²
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 + 10k has acceleration 1 m/s². Its mass is
A. 2/10 kg
B. 10 kg
C. 20 kg
D. √102 kg
Answer: D
6. A ball of mass 100 g rebounds from 10 m/s to −10 m/s. 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. lighter body has less kinetic energy
C. both have equal kinetic energy
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 dynes
B. 10 N
C. 12 dynes
D. 12 N
Answer: A
9. When 1 N acts on 1 kg freely, the object gets
A. speed of 1 km/s
B. acceleration of 1 m/s²
C. speed of 1 m/s
D. acceleration of 1 km/s²
Answer: B
10. Momentum of a 3.513 kg body moving at 5 m/s is
A. 17.6
B. 17.565 kg·m/s
C. 17.56
D. 17.57
Answer: B
11. A rocket ejects 0.05 kg/s 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 + ct², force
A. varies linearly with time
B. varies inversely
C. is constant
D. is quadratic
Answer: A
13. Three forces keep a body in equilibrium. Resultant force is
A. −3i + 4k
B. 4i − 3k
C. 3i + 4k
D. 2i − 3k
Answer: A
14. Momentum after falling freely through height h is
A. √mgh
B. m√2gh
C. m√gh
D. zero
Answer: B
15. Which is not a force?
A. friction
B. impulse
C. tension
D. weight
Answer: B
16. Impulse experienced by wall is 0.54 Ns. Velocity of ball is
A. 27 m/s
B. 3.7 m/s
C. 54 m/s
D. 37 m/s
Answer: A
17. Condition for conservation of momentum during collision is
A. (i) or (ii)
B. (i) only
C. (ii) only
D. (iii) only
Answer: A
18. Example of inertial frame is
A. child in giant wheel
B. car moving with constant velocity
C. aeroplane taking off
D. cyclist on curve
Answer: B
19. Impulse given to change velocity from Vi to Vf is
A. m(|v₂| − |v₁|)
B. ½(v₂² − v₁²)
C. m(v₁ + v₂)
D. m(v₂ − v₁)
Answer: D
20. A ball of 150 g acted by force for 0.1 s gains impulse
A. 0.5 Ns
B. 0.1 Ns
C. 0.3 Ns
D. 1.2 Ns
Answer: C
21. A player catches a 150 g ball at 20 m/s in 0.1 s. Force is
A. 0.3 N
B. 3 N
C. 30 N
D. 300 N
Answer: C
22. A 0.5 kg ball strikes wall at 30°. Average force is
A. 25 N
B. 50 N
C. 75 N
D. 100 N
Answer: B
23. Reaction offered by wall when bullets strike is
A. nmv
B. Nmv/n
C. nNm/v
D. nNv/m
Answer: A
24. Force needed to hold a machine gun firing bullets is
A. (n+1)mv
B. mv/n²
C. mv/n
D. mnv
Answer: D
25. Passengers are thrown outward in a turning bus due to
A. outward pull
B. inertia
C. momentum change
D. acceleration change
Answer: B
26. Tension in lift accelerating upward at 1 m/s² is
A. 9800 N
B. 10800 N
C. 11000 N
D. 10000 N
Answer: B
27. Maximum force at beginning of golf-ball contact is
A. 100 N
B. 200 N
C. 250 N
D. 500 N
Answer: C
28. A person experiences weight loss when elevator
A. moves up with acceleration
B. moves down with acceleration
C. moves up uniformly
D. moves down uniformly
Answer: B
29. Recoil velocity of pistol firing bullet is
A. 0.3 m/s
B. 3 m/s
C. −3 m/s
D. −0.3 m/s
Answer: B
30. INCORRECT statement is
A. Zero acceleration implies rest or uniform motion
B. Net force is needed to keep uniform motion
C. Inertia resists change
D. Force ∝ rate of change of momentum
Answer: B
31. A body moving with constant momentum implies that
A. Its velocity is zero
B. Net external force acting on it is zero
C. Its acceleration is constant
D. Its mass is changing
Answer: B
32. The momentum of a body depends on
A. Velocity and time
B. Force and time
C. Mass and velocity
D. Mass and acceleration
Answer: C
33. If the net external force on a system is zero, then
A. The kinetic energy of the system is conserved
B. The velocity of each particle remains constant
C. The total linear momentum of the system is conserved
D. The acceleration of each particle is zero
Answer: C
34. The area under a force–time graph represents
A. Work done
B. Power
C. Acceleration
D. Impulse
Answer: D
35. A heavy truck and a light car have equal kinetic energy. Which has greater momentum?
A. Light car
B. Both have equal momentum
C. Heavy truck
D. Cannot be compared
Answer: C
Conclusion
Mastering Laws of Motion Physics Questions requires more than just remembering equations—it demands a clear understanding of how forces influence motion in real-life situations. Through numericals involving impulse, recoil, collisions, elevators, rockets, and inertial frames, students learn to interpret physical scenarios and apply Newton’s laws logically. Regular exposure to such laws of motion physics questions MCQs builds confidence in identifying the correct law, resolving vector directions, and managing units accurately.
These Laws of Motion Physics Questions are especially valuable for competitive exams, where conceptual traps and multi-step reasoning are common. Practicing these laws of motion physics questions is a wide range of problems sharpens analytical thinking and improves speed under time pressure. By consistently revising these laws of motion physics questions and understanding the reasoning behind each answer, aspirants can strengthen their mechanics fundamentals and significantly improve their overall physics performance.
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.