# Gravitation and Planetary Motion Quiz

This is an MCQ-based quiz on the topic of Gravitation and planetary motion.

This includes the following:-

• Gravitational attraction

• Planetary Motion

• Mass

• Effect of Mass

• Effect of Velocity

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Isaac Newton's law of universal gravitation is a physical law that describes the gravitational attraction between mass and bodies.

True

False

The force of gravity is proportional to the product of the two masses

True

False

Is the universal gravitational constant the same at all places and at all times?

True

False

The equation of the Law of Universal Gravitation is stated below: F(g) = G[(m1*m2)/(r*r)] r is the separation between the objects m1 and m2 are the masses of the two objects G is the universal gravitational constant F(g) is the gravitational force The gravitational force is inversely proportional to: Check all that apply.

Product of the two masses

Gravitational constant

Square of the separation b/w two

All the above

The law of universal gravitation states that every object in the Universe exert gravitational attraction on each other.

True

False

If the mass of Earth increased, with no change in radius, your weight would _____

Stay the same

Decrease

Increase

None of the above

If the radius of Earth decreased, with no change in mass, your weight would _____.

Not change

Increase

Decrease

None of the above

Two objects move toward each other because of gravitational attraction. As the objects get closer and closer, the force between them _____

Remains constant

Decreases

Increases

None of the above

Newton reasoned that the gravitational attraction between Earth and the moon must be _____.

Reduced by distance

Independent of distance

The same at all distance

All of the above

Suppose the gravitational force between two massive spheres is 100 N. If the distance between the spheres is doubled, what is the force between the masses?

400N

200N

100N

25N

Quiz/Test Summary
Title: Gravitation and Planetary Motion Quiz
Questions: 10
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