Here are some NEET Exam physics questions related to gravitation:
- Question: Two objects of masses m1 and m2 are separated by a distance r. If the force of attraction between them is F, what will be the force of attraction if the distance between them is doubled?
- A) F/2
- B) F/4
- C) F/8
- D) F/16
- Question: The gravitational force between two masses is 36 N. If the distance between them is doubled, what will be the new force of attraction?
- A) 9 N
- B) 18 N
- C) 72 N
- D) 144 N
- Question: The radius of the Earth is R and its mass is M. What will be the weight of an object of mass m at a height equal to half the radius of the Earth from its surface?
- A) Mm4R
- B) Mm2R
- C) 2MmR
- D) 4MmR
- Question: What is the value of acceleration due to gravity at a height equal to twice the radius of the Earth from its surface?
- A) g4
- B) g2
- C) g8
- D) 2g
- Question: Two bodies of masses m1 and m2 are 4 times and 9 times the radius of the Earth away from its surface, respectively. What is the ratio of the gravitational forces experienced by them?
- A) 12
- B) 23
- C) 49
- D) 13
- Question: If the mass of a planet is doubled and its radius is halved, what will be the change in the acceleration due to gravity on its surface?
- A) Acceleration due to gravity will be halved
- B) Acceleration due to gravity will be doubled
- C) Acceleration due to gravity will remain the same
- D) There will be insufficient data to determine the change