Practice Force and Laws of Motion RRB PYQ questions from Railway examinations, including RRB NTPC PYQ, RRB Group D PYQ, RRB JE PYQ, RRB ALP PYQ and RRB Technician PYQ. This topic-wise Physics question set covers important concepts related to force, Newton’s laws of motion, inertia, acceleration, momentum and the effect of force on the motion of objects.
The Force and Laws of Motion RRB PYQ collection is useful for candidates preparing for Railway examinations and revising important Physics concepts through previous year questions. Questions from this topic can include both conceptual and numerical problems, helping you understand the application of Newton’s laws and improve your problem-solving skills.
Whether you are preparing for RRB NTPC Force and Laws of Motion PYQ, RRB Group D Force and Laws of Motion PYQ, RRB JE Force and Laws of Motion PYQ, RRB ALP Force and Laws of Motion PYQ, or RRB Technician Force and Laws of Motion PYQ, practice these questions regularly to strengthen your Railway Physics preparation.
21
1 kg × 1 m/s² is called ______.
RRB Group D
15/11/2018 / Shift-II
2018
✓ Answer:A1 newton
One newton is the force that gives a mass of 1 kg an acceleration of 1 m/s².
22
If the weight of an object is 200 N, find its mass. Take g = 10 m/s².
RRB Group D
22/10/2018 / Shift-III
2018
✓ Answer:D20 kg
m = W/g = 200/10 = 20 kg.
23
When a sailor jumps forward, the boat moves backward. Which of Newton's laws does this illustrate?
The sailor and boat exert equal and opposite forces on each other, illustrating Newton's third law.
24
In which year were Newton's laws of motion published?
RRB Group D
27/11/2018 / Shift-III
2018
✓ Answer:D1687
Newton published his laws of motion in Principia in 1687.
25
Force/acceleration = ?
✓ Answer:CMass
Newton's second law gives F = ma, so F/a = m. Exam details are not provided in the supplied scan.
26
The rate of change of momentum of an object is proportional to the applied unbalanced force and is in its direction. This rule is known as ______.
RRB NTPC (Stage-I)
15/02/2021 / Shift-II
2021
✓ Answer:CNewton's second law of motion
Newton's second law relates net force to the rate of change of momentum: F = dp/dt.
27
Why does a fielder move his arms backward while catching a fast-approaching cricket ball?
RRB Group D
15/11/2018 / Shift-I
2018
✓ Answer:CBecause he experiences less force over a longer period of time.
Moving the hands backward increases the stopping time. For the same momentum change, F = Δp/Δt is smaller.
28
Which of the following does not affect the value of acceleration due to gravity?
RRB Group D
24/09/2018 / Shift-I
2018
✓ Answer:AMass
Gravitational acceleration is independent of the mass of the falling object. It varies with height, depth and the earth's radius. Option B is printed as “Vertically” in the source.
29
If a tree branch is moved rapidly, some leaves detach from it due to ______.
RRB Group D
04/12/2018 / Shift-II
2018
✓ Answer:CInertia
The branch moves while the leaves tend to remain at rest because of inertia, causing some leaves to detach.
30
When a rifle fires a bullet and recoils freely, how does its kinetic energy compare with that of the bullet?
RRB Group D
07/12/2018 / Shift-I
2018
✓ Answer:BLess than the bullet's kinetic energy
The rifle and bullet have equal and opposite momenta. Since K = p²/(2m), the more massive rifle has less kinetic energy.
Showing 21 – 30 of 267 MCQ Questions | Page 3 of 27
Start practicing Force and Laws of Motion RRB PYQs with answers and explanations and strengthen your Railway Physics preparation.
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