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Gravity and Motion Answers

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1
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Which statement describes Newton’s law of universal gravitation?

A
Mass has little effect on gravity between objects.
B
Gravity pushes objects away from Earth’s center.
C
Gravity does not act between Earth and the moon.
D
Every object in the universe attracts every other object.
2
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Which statement explains how gravity and inertia work together?

A
They change the motion of objects.
B
They take turns working on objects.
C
They keep all objects moving at the same speed.
D
They prevent objects from moving in a circular motion.
3

Which statement best explains why objects are pulled toward Earth’s center?

A
Earth has a magnetic force that is strongest at its core.
B
Earth has a much greater mass than objects on its surface.
C
The weight of the atmosphere pushes objects toward Earth's surface.
D
The strength of the Sun’s gravity pushes down on objects at Earth's surface.

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