1.4 Gravity: A Force of Attraction

TRUE

TRUE or FALSE: All matter has mass

TRUE

TRUE or FALSE: All matter is affected by gravity.

FALSE Earth's gravitational force pulls everything toward the CENTER of the Earth.

TRUE or FALSE: Earth's gravitational force pulls everything toward the bottom of the Earth.

TRUE

TRUE or FALSE: Gravitational force decreases as distance increases.

FALSE Gravitational force INCREASES as mass increases.

TRUE or FALSE: Gravitational force decreases as mass increases.

FALSE Gravity is a result of MASS.

TRUE or FALSE: Gravity is a result of weight.

TRUE

TRUE or FALSE: Mass and weight are constant on Earth.

FALSE WEIGHT changes when gravitational force changes.

TRUE or FALSE: Mass changes when gravitational force changes.

FALSE ALL objects experience an attraction toward all other objects.

TRUE or FALSE: Not all objects experience an attraction toward all other objects.

FALSE The gravitational force PULLS objects TOWARD each other.

TRUE or FALSE: The gravitational force pushes objects away from each other.

FALSE The object's MASS does not change.

TRUE or FALSE: The object's weight does not change.

FALSE Weight and mass are NOT the same.

TRUE or FALSE: Weight and mass are the same.

Mass

What is being measured here?

Weight

What is being measured here?

Kilogram (kg)

What is the SI unit of mass?

Newtons (N)

What is the SI unit of weight?

Mass

What is the amount of matter in an object?

Gravity

What is the force of attraction between objects that is due to their masses?

Sir Isaac Newton

Who summarized his own ideas about gravity in a law now known as the Law of Universal Gravitation?

One-sixth

The moon's gravitational force is about how much of Earth's gravitational force in fraction?

The Law of Universal Gravitation

What do you call the law that states that all objects in the universe attract each other through gravitational force?

Weight

What is a measure of the gravitational force on an object