Gravity and Motion

Question 1

Which statement describes Newton’s law of universal gravitation?

Revolt · Accepted Answer

Every object in the universe attracts every other object.

Question 2

The diagram shows the moon and Earth in space.

Revolt · Accepted Answer

moon’s motion without gravity

Question 3

Which pair of factors affects the force of gravity between objects?

Revolt · Accepted Answer

mass and distance

Question 4

A student is asked to describe the path of a paper airplane that is thrown in the classroom.Which statement best describes the path of the paper airplane?

Revolt · Accepted Answer

The paper airplane will create a curved path toward the floor as it is pulled toward Earth’s center.

Question 5

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

Revolt · Accepted Answer

Earth has a much greater mass than objects on its surface.

Question 6

According to Newton’s first law, which characteristic of a moving object would remain constant if there were no other forces acting on it?

Revolt · Accepted Answer

speed

Question 7

The diagrams show objects’ gravitational pull toward each other.

Revolt · Accepted Answer

If the masses of the objects increase, then the force between them also increases.

Question 8

Which statement explains how gravity and inertia work together?

Revolt · Accepted Answer

They change the motion of objects.

Question 9

Which statement explains how weight is different from mass?

Revolt · Accepted Answer

Weight is a measure of gravitational pull.

Question 10

Which description explains how inertia changes the effects of gravity on objects in the solar system?

Revolt · Accepted Answer

prevents planets from pulling into one another

Gravity and Motion Answers

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