Gravity and Motion

Question 1

Which statement explains how gravity and inertia work together?

Revolt · Accepted Answer

They change the motion of objects.

Question 2

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

Question 3

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 4

Which statement describes how Earth compares to the moon?

Revolt · Accepted Answer

Earth has more inertia than the moon.

Question 5

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 6

Which statement describes Newton’s law of universal gravitation?

Revolt · Accepted Answer

Every object in the universe attracts every other object.

Question 7

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 8

Which statement describes gravity?

Revolt · Accepted Answer

Gravity is the force that pulls objects toward Earth’s center.

Question 9

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 10

In addition to how much force Earth exerts on the object, which features of an object affect its weight?

Revolt · Accepted Answer

mass and location of the object

Gravity and Motion Answers

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