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.
761
A car's velocity increases uniformly from 18 km/h to 72 km/h in 10 s. Find its acceleration.
RRB Group D
08/10/2018 / Shift-II
2018
✓ Answer:A1.5 m/s²
a = (20 − 5)/10 = 1.5 m/s².
762
What is the trajectory of a projectile?
RRB Group D
16/11/2018 / Shift-III
2018
✓ Answer:BParabola
Under uniform gravity and neglecting air resistance, an obliquely projected object's path is parabolic.
763
An iron sphere of mass 30 kg and an aluminium sphere of mass 10.5 kg have equal diameters and are dropped together from a tower. At 10 m above the ground, which quantity is the same for both?
RRB Group D
10/12/2018 / Shift-III
2018
✓ Answer:BAcceleration
Neglecting air resistance, both have the same gravitational acceleration g, independent of mass.
764
An object's velocity is v₁ at time t₁ and v₂ at time t₂. What is its average acceleration?
RRB RPF Constable
05/03/2025 / Shift-I
2025
✓ Answer:B(v₂ − v₁)/(t₂ − t₁)
Average acceleration equals change in velocity divided by elapsed time.
765
Zero acceleration means ______.
RRB Group D
12/12/2018 / Shift-I
2018
✓ Answer:AVelocity is constant.
Zero acceleration means no change in velocity, which need not itself be zero.
766
Starting from rest, Raju attains 24 m/s on a bicycle in one minute. Find the acceleration.