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.
251
Which characteristic is used in car brake pads?
RRB ALP & Technician
14/08/2018 / Shift-III
2018
✓ Answer:DPositive effect of friction
Brake pads use the useful effect of friction to slow or stop rotation. Option B is reproduced as printed.
252
Which equation of motion is incorrect?
RRB Group D
26/10/2018 / Shift-III
2018
✓ Answer:A2as = u² − v²
The correct relation is 2as = v² − u², not the reverse difference.
253
The work done by friction is ______.
RRB Group D; RRB Group D
04/12/2018 / Shift-III; 27/11/2018 / Shift-III
2018
✓ Answer:CAlways negative
The source selects C for a body sliding over a stationary rough surface, where friction opposes displacement. “Always” is too broad: friction can do positive or zero work in other situations.
254
Which equation is the position-time relation?
RRB Group D; RRB Group D
11/10/2018 / Shift-I; 01/10/2018 / Shift-III
2018
✓ Answer:Ds = ut + (1/2)at²
For constant acceleration, displacement is s = ut + (1/2)at².
255
Which is difficult without friction?
RPF JE (Electrical)
19/09/2019 / Shift-III
2019
✓ Answer:CHolding a glass tumbler
Friction between the hand and glass prevents the tumbler from slipping.
256
A car starts from rest and accelerates uniformly to 144 km/h in 20 s. What distance does it cover?
RRB Group D
24/10/2018 / Shift-II
2018
✓ Answer:A400 m
144 km/h = 40 m/s. s = (0 + 40) × 20/2 = 400 m.
257
Energy dissipated by friction is converted into ______ energy.
RRB Group D
20/09/2018 / Shift-II
2018
✓ Answer:AThermal
Friction commonly converts mechanical energy into thermal energy.
258
A bus starts from rest and travels 200 m downhill in 10 s with uniform acceleration. Find the acceleration.
✓ Answer:DA satellite in a circular orbit around Earth
An ideal satellite in a circular orbit moves at constant speed along a circular path.
260
A 1 kg object moves east at 2 m/s. A force of 1.5 N acts northward. Find the magnitude of its displacement after 2 s.
RRB Group D
23/10/2018 / Shift-I
2018
✓ Answer:A7 m
The source selects A by adding perpendicular displacements, which is incorrect. Eastward displacement is 4 m and northward displacement is 3 m, so the magnitude is √(4² + 3²) = 5 m. The printed answer key is retained.
Showing 251 – 260 of 267 MCQ Questions | Page 26 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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