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.
561
The figure shows two moving vehicles. What can be concluded about their energy?
RRB Group D
05/11/2018 / Shift-I
2018
✓ Answer:DBoth have kinetic energy.
Both vehicles are in motion and have kinetic energy. The source illustration is represented by the text description in the question.
562
A 15 kg object is 5 m above the ground. Find its energy.
RRB Group D
15/10/2018 / Shift-I
2018
✓ Answer:D735 J
Using g = 9.8 m/s², U = 15 × 9.8 × 5 = 735 J.
563
Water raised to a height has _____ energy.
RRB Group D
15/11/2018 / Shift-II
2018
✓ Answer:BPotential
Elevated water stores gravitational potential energy.
564
A 10 kg object is 6 m above the ground. Find its potential energy. (g = 9.8 m/s²)
RRB Group D
31/10/2018 / Shift-II
2018
✓ Answer:B588 J
U = 10 × 9.8 × 6 = 588 J.
565
Which quantity measures the inertia of a body?
RRB Group D
26/10/2018 / Shift-III
2018
✓ Answer:AMass
Mass is the measure of inertia.
566
The inertia of an object is measured by which of the following?
RRB Group D
31/10/2018 / Shift-II
2018
✓ Answer:DMass
An object's mass measures its resistance to changes in motion.
567
What is the definition of mass?
RRB Group D
24/10/2018 / Shift-III
2018
✓ Answer:DThe amount of matter contained in an object is called its mass.
Mass is defined as the amount of matter contained in an object. The second option is mislabelled (d) in the source; it is placed in option_b here.
568
Mass/Volume = ?
RRB Group D
01/10/2018 / Shift-II
2018
✓ Answer:ADensity
Density ρ = mass/volume. Its SI unit is kg/m³.
569
The mass density of an object is defined as its ______.
RRB ALP (Stage-II)
22/01/2019 / Shift-I
2019
✓ Answer:CMass per unit volume
Density is mass per unit volume: ρ = m/V.
570
During the free fall of an object, which of the following energies increases at a point in its path?
RRB Group D
19/09/2018 / Shift-II
2018
✓ Answer:BKinetic energy
As an object falls, gravitational potential energy is converted into kinetic energy.
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