Mechanics RRB PYQ – Physics Previous Year Questions
Practice Mechanics 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 work, power, energy, mass, force, Newton’s laws of motion, momentum, distance, displacement, speed, velocity, acceleration, equations of motion, friction and motion, helping you revise essential Physics concepts for RRB examinations.
Each question includes the correct answer and an explanation to help you understand the concept, strengthen your Physics fundamentals, and revise important Mechanics topics for RRB Railway examinations.
Start practicing Mechanics RRB PYQs and strengthen your Physics preparation.
411
Potential energy belongs to which category of energy?
RRB ALP (Stage-II)
02/05/2025 / Shift-I
2025
✓ Answer:BMechanical energy
In this mechanical context, mechanical energy is the sum of kinetic and potential energy.
412
What is the sum of an object's kinetic and potential energy called?
RRB ALP (Stage-II); RRB Technician Grade-III; RRB Group D; RRB Group D; RRB Group D; RRB Group D
02/05/2025 / Shift-I; 26/12/2024 / Shift-II; 16/11/2018 / Shift-I; 15/10/2018 / Shift-I; 19/09/2018 / Shift-I; 12/11/2018 / Shift-II
2025; 2024; 2018
✓ Answer:DTotal mechanical energy
Mechanical energy = kinetic energy + potential energy.
413
A more powerful engine does more work in less time. An aeroplane can travel farther than a car in less time. Which concept does this illustrate?
RRB Group D
29/10/2018 / Shift-III
2018
✓ Answer:BPower
Power compares the rate of doing work. Greater power means more work per unit time.
414
A ball is dropped from the top of a tower. Which energies does it have halfway down?
RRB Technician Grade-III; RRB Group D
24/12/2024 / Shift-I; 17/09/2018 / Shift-III
2024; 2018
✓ Answer:ABoth potential and kinetic energy
It is still above the ground and is moving, so it has both gravitational potential energy and kinetic energy.
415
A body has mass m, linear momentum P, and kinetic energy K. Which expression is correct?
RRB RPF Constable
12/03/2025 / Shift-II
2025
✓ Answer:CP = √(2Km)
K = P²/(2m), so P = √(2mK).
416
Find the average power required to lift an 80 kg object through 40 m in 50 seconds. (g = 10 m/s²)
RRB Group D
18/09/2018 / Shift-III
2018
✓ Answer:B640 J/s
P = mgh/t = 80 × 10 × 40/50 = 640 J/s.
417
A 0.1 kg object moves at 2 m/s. Find its kinetic energy.