Newtons Law of Gravitation
Q. Which of the following correctly describes the gravitational force between two objects?
-
A.
It depends on the medium between them
-
B.
It is independent of the distance between them
-
C.
It is proportional to the product of their masses
-
D.
It can be shielded by other masses
Solution
The gravitational force is proportional to the product of the masses of the two objects.
Correct Answer: C — It is proportional to the product of their masses
Learn More →
Q. Which of the following correctly describes the gravitational force?
-
A.
It is always attractive
-
B.
It can be repulsive
-
C.
It acts only at short distances
-
D.
It is stronger than electromagnetic force
Solution
The gravitational force is always attractive and acts over long distances, though it is weaker than the electromagnetic force.
Correct Answer: A — It is always attractive
Learn More →
Q. Which of the following is a consequence of Newton's law of gravitation?
-
A.
The orbits of planets are elliptical
-
B.
Masses repel each other
-
C.
Gravitational force is a vector quantity
-
D.
All objects fall at the same rate in a vacuum
Solution
Newton's law of gravitation leads to the conclusion that the orbits of planets are elliptical, as described by Kepler's laws.
Correct Answer: A — The orbits of planets are elliptical
Learn More →
Q. Which of the following statements is true regarding gravitational force?
-
A.
It is a contact force
-
B.
It acts only on Earth
-
C.
It is always attractive
-
D.
It can be repulsive
Solution
Gravitational force is always attractive, acting between any two masses.
Correct Answer: C — It is always attractive
Learn More →
Showing 61 to 64 of 64 (3 Pages)
