Gravitation NDA Questions

NDA Physics

Gravitation MCQ Questions


13.
What is the universal law of gravitation?
A.
Law of inertia
B.
Coulomb's law
C.
Newton's law of gravitation
D.
Kepler's law
😑 View Answer Rough Work Error
ANSWER :
C. Newton's law of gravitation
14.
If the distance between two objects is doubled, what happens to the gravitational force between them?
A.
It becomes four times weaker
B.
It becomes twice as weak
C.
It remains the same
D.
It becomes four times stronger
😑 View Answer Rough Work Error
ANSWER :
A. It becomes four times weaker
15.
If the mass of one of the objects in a gravitational interaction is doubled, what happens to the gravitational force between them?
A.
It is doubled
B.
It is halved
C.
It is squared
D.
It remains unchanged
😑 View Answer Rough Work Error
ANSWER :
A. It is doubled
16.
What is the force that keeps planets in orbit around the sun?
A.
Nuclear Force
B.
Electromagnetic force
C.
Gravitational force
D.
Centrifugal force
😑 View Answer Rough Work Error
ANSWER :
C. Gravitational force
17.
What happens to a satellite's orbital speed as it moves closer to the Earth?
A.
It increases
B.
It decreases
C.
It remains constant
D.
It follows an irregular pattern
😑 View Answer Rough Work Error
ANSWER :
A. It increases
18.
Which of the following is true regarding gravitational potential energy between two masses?
A.
It is inversely proportional to the distance between the masses
B.
It is directly proportional to the distance between the masses
C.
It is always negative
D.
It is always positive
😑 View Answer Rough Work Error
ANSWER :
C. It is always negative