• Amal Augustine
• December 26, 2025

Mastering Gravitation and Acceleration Due to Gravity MCQs: High-Impact MCQs for Exam Success

Gravitation and acceleration due to gravity mcqs form the backbone of classical mechanics and are among the most frequently tested topics in physics competitive exams and board examinations. From understanding why objects fall toward Earth to explaining planetary motion, escape velocity, and weight variations at different locations, these concepts help us interpret both everyday phenomena and cosmic behavior.

It is a carefully curated set of Gravitation and Acceleration Due to Gravity MCQs, each designed to test conceptual understanding rather than rote memorization. The gravitational and acceleration due to gravity mcqs questions cover variation of g with height, depth, latitude, Earth–Moon system, gravitational mass vs inertial mass, potential energy, and real-life gravity effects—making it ideal for Class 9–12 students, NEET, JEE, and foundation-level preparation.

Gravitation and Acceleration Due to Gravity MCQs-

1. If both the mass and radius of the Earth decrease by 1%, then the:

• (A) Escape velocity decreases

• (B) Escape velocity increases

• (C) Acceleration due to gravity increases

• (D) Acceleration due to gravity decreases

• Answer: (C)

2. As we go from the equator to the poles, the value of acceleration due to gravity:

• (A) Remains the same

• (B) Increases

• (C) Decreases

• (D) Decreases then increases
  Answer: (B)

3. Earth does not move appreciably toward the Moon because:

• (A) Earth’s mass is much larger, so its acceleration is smaller

• (B) Moon’s mass is larger

• (C) Both accelerate equally

• (D) Forces are unequal
  Answer: (A)

4. At a height R above Earth’s surface, acceleration due to gravity is:

• (A) g

• (B) g/8

• (C) g/3

• (D) g/4
  Answer: (D)

5. A body weighing 300 N on Earth’s surface will weigh at the bottom of a hole halfway to the centre:

• (A) 150 N

• (B) 250 N

• (C) 200 N

• (D) 120 N
  Answer: (A)

6. The mass of a body on the Moon compared to Earth is:

• (A) Same

• (B) Double

• (C) Half

• (D) Zero
  Answer: (A)

7. Two masses m₁ < m₂ released under mutual gravitation:

• (A) m₁ accelerates more

• (B) m₂ accelerates more

• (C) CM moves

• (D) Energy not conserved
  Answer: (A)

8. Centre of gravity of 1.5 g and 2.5 g masses separated by 16 cm is:

• (A) 10 cm

• (B) 6 cm

• (C) 13 cm

• (D) 3 cm
  Answer: (A)

9. Time period of a pendulum inside a mine:

• (A) Cannot be compared

• (B) Equal

• (C) Less

• (D) More
  Answer: (D)

10. Correct statement about G and g:

• (A) Both vary

• (B) Neither varies

• (C) G constant, g varies

• (D) g constant, G varies
  Answer: (C)

11. If change in g at height h equals change at depth x:

• (A) x = 2h

• (B) x = h

• (C) x = h/2

• (D) x = 4h
  Answer: (A)

12. Acceleration due to gravity from equator to poles:

• (A) Increases

• (B) Decreases

• (C) Same

• (D) Irregular
  Answer: (A)

13. Maximum weight of a person is at:

• (A) Poles

• (B) 60° latitude

• (C) Equator

• (D) Satellite
  Answer: (C)

14. Acceleration due to gravity on a pulsar is extremely:

• (A) High

• (B) Moderate

• (C) Low

• (D) Zero
  Answer: (A)

15. If Earth stops rotating, g at equator:

• (A) Increases

• (B) Decreases

• (C) Same

• (D) Zero
  Answer: (A)

16. Earth bulges at equator due to:

• (A) More gravity

• (B) Less rotation

• (C) Higher centrifugal force

• (D) Atmospheric pressure
  Answer: (C)

17. Iron and wooden balls fall in vacuum:

• (A) Iron faster

• (B) Wood faster

• (C) Same time

• (D) Depends on mass
  Answer: (C)

18. Escape velocity depends on:

• (A) Shape

• (B) Mass & radius

• (C) Temperature

• (D) Medium
  Answer: (B)

19. Ratio of gravitational to inertial mass:

• (A) 1 : g

• (B) g : 1

• (C) 1 : 1

• (D) g : G
  Answer: (C)

20. Gravitational potential energy is:

• (A) Always positive

• (B) Always negative

• (C) Zero

• (D) Variable
  Answer: (B)

21. Two astronauts floating in gravity-free space will

• (A) Remain stationary

• (B) Move towards each other

• (C) Move away from each other

• (D) Rotate about each other
  Answer: (B)

22. When a body is taken from poles to equator, its weight

• (A) Increases

• (B) Decreases

• (C) Remains same

• (D) Becomes zero
  Answer: (A)

23. What is the ratio of gravitational mass to inertial mass?

• (A) 1 : g

• (B) g : 1

• (C) 1 : 1

• (D) g : G
  Answer: (C)

24. In a zero-gravity environment, a hollow glass sphere partially filled with liquid will

• (A) Let liquid float freely

• (B) Let liquid form a layer on the glass

• (C) Push liquid to centre

• (D) Break the container
  Answer: (B)

25. A body weighs 10 kg-wt on Earth. On a planet where gravity is half, it will weigh

• (A) 20 kg-wt

• (B) 10 kg-wt

• (C) 5 kg-wt

• (D) 2.5 kg-wt
  Answer: (C)

26. A piece of paper falls slower than a coin because

• (A) Gravity is weaker

• (B) Buoyant force and air resistance are higher

• (C) Coin has more mass

• (D) Paper follows longer path
  Answer: (B)

27. Two bodies dropped from a height reach ground with same

• (A) Momentum

• (B) Kinetic energy

• (C) Potential energy

• (D) Acceleration due to gravity
  Answer: (D)

28. Work done by gravitational force inside a hollow shell is

• (A) GMm/R

• (B) GMm/r

• (C) −GMm/r

• (D) Zero
  Answer: (D)

29. Gravitational potential energy of a body is

• (A) Always positive

• (B) Always negative

• (C) Zero everywhere

• (D) Depends on mass only
  Answer: (B)

30. The universal law of gravitation follows

• (A) Parallelogram law

• (B) Square law

• (C) Inverse square law

• (D) Linear law
  Answer: (C)

Conclusion

Gravitation and acceleration due to gravity mcqs are not just theoretical constructs—they govern motion from falling apples to orbiting planets. These Gravitation and Acceleration Due to Gravity MCQs highlight how small changes in height, depth, rotation, or mass can significantly influence physical outcomes.

Practicing such concept-based of gravitation and acceleration due to gravity mcqs questions it strengthens problem-solving skills, sharpens numerical accuracy, and builds deep physical intuition. Whether students are preparing for school exams, NEET, JEE, or foundation courses, mastering these gravitation and acceleration due to gravity mcqs ideas ensures a strong command over one of physics’ most fundamental forces.

Gravitation and acceleration due to gravity MCQs help bridge theoretical physics with observable physical behavior, making concepts like weightlessness, orbital motion, and variation of g more intuitive. Solving such gravitation and acceleration due to gravity mcqs questions improves accuracy in applying formulas and enhances logical reasoning related to force, mass, and motion. A strong grip on these gravitation and acceleration due to gravity mcqs MCQs ensures confidence in tackling numerical problems as well as conceptual questions in exams. Consistent practice of gravitation and acceleration due to gravity MCQs builds a solid physics foundation that supports advanced topics such as orbital mechanics, astrophysics, and gravitational potential energy.