Universal Law of Gravitation NEET Questions

Universal Law of Gravitation MCQ Questions

1.
Which of the following statements about Newtonโ€™s Universal Law of Gravitation is correct?
A.
It applies only to celestial bodies
B.
It is valid for all objects with mass
C.
It depends on the medium between objects
D.
It is valid only for spherical bodies
ANSWER :
B. It is valid for all objects with mass
2.
The force of attraction between two masses is inversely proportional to:
A.
Mass of objects
B.
Square of distance
C.
Velocity of objects
D.
Cube of distance
ANSWER :
B. Square of distance
3.
The work done in lifting a body of mass m to a height h (h โ‰ช R) from the Earth's surface is given by:

NEET - 2019

A.
mgh
B.
mgh/2
C.
mgh/4
D.
2mgh
ANSWER :
A. mgh
4.
The escape velocity of a body from Earth is 11.2 km/s. If the same body were on a planet with twice the radius and eight times the mass of Earth, the escape velocity would be:

NEET - 2023

A.
22.4 km/s
B.
11.2 km/s
C.
5.6 km/s
D.
15.8 km/s
ANSWER :
A. 22.4 km/s
5.
If the distance between two masses is tripled, the gravitational force between them becomes:
A.
One-ninth
B.
One-third
C.
One-sixth
D.
Nine times
ANSWER :
A. One-ninth
6.
The value of the universal gravitational constant (G) depends on:
A.
The nature of the medium
B.
The masses involved
C.
Universal constant
D.
None of these
ANSWER :
C. Universal constant