Practice Gravitation 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 question set covers important concepts of gravitation that are useful for RRB Physics preparation.
The questions cover important concepts such as Newton’s law of gravitation, gravitational force, acceleration due to gravity, variation of gravity, mass and weight, gravity and motion under gravity, satellite motion, escape velocity and related numerical and conceptual questions.
Gravitation RRB PYQ questions are useful for candidates preparing for Gravitation RRB NTPC PYQ, Gravitation RRB Group D PYQ, Gravitation RRB JE PYQ, Gravitation RRB ALP PYQ and Gravitation RRB Technician PYQ. Solve the questions, check the solutions, and strengthen your understanding of important concepts frequently relevant to Railway exams.
Start practicing Gravitation RRB PYQs and improve your Physics preparation for upcoming Railway examinations.
1
A roller coaster car relies solely on gravitational potential energy to travel along a track. Which engineering modification will most effectively maximize the maximum speed of the car at its lowest point?
RRB Group D
05 Aug, 2026 (4:30 PM - 6:00 PM)
2026
✓ Answer:BIncreasing the starting elevation of the first hill
The correct choice is Increasing the starting elevation of the first hill. The result follows from gravitational force or gravitational potential energy, depending on the situation.
2
A water tank of mass 500 kg is placed on the roof of a building 20 m above the ground. The acceleration due to gravity is g = 10m/s . If the tank is moved to the roof of another building that is twice as high as the first building, while its mass remains unchanged, what will be its new gravitational potential energy?
RRB Group D
04 Aug, 2026 (9:00 AM - 10:30 AM)
2026
✓ Answer:C200,000 J
Gravitational potential energy is mgh. At twice the original height, h = 40 m, so U = 500×10×40 = 200,000 J.
3
A roller coaster car is at the highest point of its track and is about to descend. If the mass of the car and its passengers is doubled while keeping the height and gravity constant, how does the gravitational potential energy at the top compare to the original scenario?
RRB Group D
09 Aug, 2026 (9:00 AM - 10:30 AM)
2026
✓ Answer:DThe gravitational potential energy is doubled
Gravitational potential energy is U = mgh, so it increases directly with mass and height when g is constant.
4
A ball is placed at the edge of a table and then at the center. The table’s height remains unchanged. How does the ball’s gravitational potential energy compare in both positions?
RRB Group D
09 Aug, 2026 (4:30 PM - 6:00 PM)
2026
✓ Answer:AThe potential energy is the same in both positions
The correct choice is The potential energy is the same in both positions. The result follows from gravitational force or gravitational potential energy, depending on the situation.
5
An object of mass m is raised vertically through a height h near the Earth's surface. What is its gravitational potential energy?
RRB Group D
03 Aug, 2026 (4:30 PM - 6:00 PM)
2026
✓ Answer:Cmgh
Gravitational potential energy is U = mgh, so it increases directly with mass and height when g is constant.
6
When lifting an object upwards, the work done by the force of gravity is considered negative because _____________.
RRB Group D
18 Aug, 2026 (12:45 PM - 2:15 PM)
2026
✓ Answer:DThe object is displaced upward, opposite to the downward force of gravity
The correct choice is The object is displaced upward, opposite to the downward force of gravity. The result follows from gravitational force or gravitational potential energy, depending on the situation.
7
Why is it difficult to push a heavy box from rest, according to the first law of motion?
RRB Group D
11 Aug, 2026 (4:30 PM - 6:00 PM)
2026
✓ Answer:DThe box resists changes to its state due to inertia
Newton’s first law describes inertia: an object resists changes in its state of rest or uniform motion unless acted on by a net external force.
8
The force between the Earth and an apple separated by distance x is F. What is the force at distance 2x?
RRB ALP (Stage-I)
25/11/2024 / Shift I
2024
✓ Answer:BF/4
F ∝ 1/r², so doubling the separation reduces the force to F/4. Distance is measured from the Earth's centre.
9
Gravity acts between _____ objects, though it is usually difficult to notice unless the masses are large.
RRB Group-D
24/10/2018 / Shift I
2018
✓ Answer:BEach and every
Every pair of objects with mass exerts a gravitational attraction.
10
The gravitational force between two bodies is F. If one body's mass becomes four times its original value, what is the new force at the same separation?
RRB Technicians Grade-III
28/12/2024 / Shift II
2024
✓ Answer:C4F
F ∝ m₁m₂. Multiplying one mass by four multiplies the force by four.
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