Chp 9 Review

Every object that has mass exerts a gravitational force on every other object that has mass.

• True

• Sometimes

• False

• Never

As distance between two objects increase the pull of gravity 

• Increases
• Decreases
• Stays the same

Tags

NGSS.HS-PS2-4

The force of gravity acting on an object is the object's ______.

• mass
• matter
• weight 
• friction 

Tags

NGSS.MS-PS2-4

The law of universal gravitation is credited to whom?

• Einstein
• Galileo
• Darwin
• Newton

Tags

NGSS.HS-PS2-4

Which of the following never changes no matter where in the universe?

• weight

• force

• mass

• pounds

A person would weigh less on on the Moon than on the Earth because . . .

• Moon has more mass, and therefore more gravity
• Moon has less mass, and therefore more gravity
• Moon has more mass, and therefore less gravity
• Moon has less mass and therefore less gravity

Tags

NGSS.MS-PS2-4

What two factors affect the size of the force of gravity between 2 objects?

• mass and distance

• mass and matter

• distance and weight

• weight and mass

Gravity attracts all objects towards one another.

• False
• True
• It depends

Tags

NGSS.MS-PS2-4

If Earth's mass was cut in half, what would happen to your mass?

• increase because gravitational force increases
• decrease because gravitational force decreases
• decrease because gravitational force increases
• nothing, mass is not affected by gravitational force

Tags

NGSS.HS-PS2-4

If Earth's mass was cut in half, what would happen to your weight?

• Increase because gravitational force increases
• decrease because gravitational force decreases
• decrease because gravitational force increases
• nothing, weight is not affected by gravitational force

Tags

NGSS.MS-PS2-4