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.
21
If the force exerted by the Earth on the Moon is 2.02 × 10²⁰ N, what is the magnitude of the force exerted by the Moon on the Earth?
RRB Technicians Grade-III
27/12/2024 / Shift I
2024
✓ Answer:D2.02 × 10²⁰ N
By Newton's third law, the two forces are equal in magnitude and opposite in direction.
22
The gravitational force between two objects is proportional to the product of their _____.
RRB Group-D
15/11/2018 / Shift I
2018
✓ Answer:CMasses
At fixed separation, F ∝ m₁m₂.
23
Which value equals the universal gravitational constant G?
The universal gravitational constant is approximately 6.67 × 10⁻¹¹ N m²/kg².
24
The gravitational force between two bodies does not depend directly on their _____.
RRB Group-D
11/10/2018 / Shift I
2018
✓ Answer:DSum of masses
F = Gm₁m₂/r² contains the product of masses, not their sum.
25
Two objects of masses M and m are separated by distance d. Which equation gives their gravitational attraction F, where G is the universal gravitational constant?
RRB Technicians Grade-III
27/12/2024 / Shift III
2024
✓ Answer:BF = GMm/d²
Newton's universal law of gravitation gives F = GMm/d².
26
Which of the following is a weak force?
RRB Group-D
26/10/2018 / Shift I
2018
✓ Answer:BGravitational force
Gravity is the weakest of the four fundamental interactions. The source uses 'weak' descriptively, not as the name of the weak nuclear interaction.
27
What is the SI unit of the universal gravitational constant?
If the distance between two objects is doubled, what happens to their gravitational force?
RRB Group-D
13/12/2018 / Shift II
2018
✓ Answer:DIt becomes one-quarter as large
The inverse-square law gives F' = F/2² = F/4.
29
Which statements about gravitational force are true? (i) It is repulsive. (ii) Its magnitude is the same throughout the universe. (iii) It is directly proportional to the product of the masses. (iv) It causes the Earth to revolve around the Sun.
RRB Technicians Grade-III
29/12/2024 / Shift II
2024
✓ Answer:ABoth (iii) and (iv)
Gravity is attractive and depends on mass and separation. Statements (iii) and (iv) are correct.
30
What happens to gravitational force when the mass of one of two objects is doubled, with separation unchanged?
RRB JE
25/05/2019 / Shift I
2019
✓ Answer:AIt doubles
The force is directly proportional to each mass, so it doubles.
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