Quiz on Gravitation and Motion

Which of the following is the SI unit of gravitational force?

• Newton

• Joule

• Meter

• Pascal

The force of attraction between any two objects is known as:

• Electromagnetic force

• Gravitational force

• Nuclear force

• Frictional force

Which of the following statements is true regarding gravitational force?

• It is a contact force.

• It acts only between two charged bodies.

• It is always attractive.

• It depends on the medium between the objects.

The value of gravitational acceleration on the surface of the Earth is approximately:

• 9.8 m/s²

• 10 m/s²

• 8.9 m/s²

• 5.5 m/s²

The force of gravity on an object depends on which two factors?

• Mass of the object and the distance between the objects.

• Shape of the object and the distance.

• Volume of the object and its shape.

• Mass of the object and the mass of Earth.

Which of the following law defines the universal law of gravitation?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Universal Law of Gravitation

The universal law of gravitation states that the force between two objects is:

• Inversely proportional to the square of the distance between them.

• Directly proportional to the square of the distance between them.

• Inversely proportional to the cube of the distance between them.

• Directly proportional to the cube of the distance between them.

If the mass of the Earth were doubled, what would happen to the force of gravity between the Earth and an object on its surface?

• It would remain the same.

• It would double.

• It would reduce by half.

• It would increase by four times.

If the distance between two objects is doubled, the gravitational force between them will:

• Become half

• Become one-fourth

• Remain unchanged

• Double

The acceleration due to gravity is maximum at:

• The Earth's poles

• The Earth's equator

• The Moon's surface

• The Sun's surface