A _____ is a pull or a push.

• force
• friction
• gravity
• speed

Tags

NGSS.HS-PS2-1

Is gravity a push or a pull?

• push
• pull
• neither
• both

Tags

NGSS.HS-PS2-4

What keeps the Moon in orbit around Earth?

• Earth's rotation.
• Earth's atmosphere.
• Earth's gravity.
• Earth's shape.

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

The measure of the force of gravity on your body is your _________________

• height
• length
• weight
• age

Tags

NGSS.HS-PS2-4

The force that causes a ball to fall to the ground is ____________________________

• gravity
• lubricant
• friction
• motion

Tags

NGSS.HS-PS2-4

Newton said that any two masses will...

• combine into a larger mass.

• attract each other.

• create gravitational fields.

• push each other apart.

Tags

NGSS.HS-PS2-4

According to Newton's law of gravitation, the Earth and the Moon are gravitationally attracted to each other. The more massive Earth attracts the Moon with...

• a stronger force than the Moon attracts the Earth.

• a weaker force than the Moon attracts the Earth.

• the same force as the Moon attracts the Earth.

• a force that is sometimes stronger and other times weaker than the Moon attracts the Earth.

Tags

NGSS.HS-PS2-4

The picture shows three objects gravitationally interacting with each other. Which object exerts the greatest force on object B?

• Object A

• Object C

• A and C exert an equal force on B

• Cannot be determined

Tags

NGSS.HS-PS2-4

The picture shows three objects gravitationally interacting with each other. Which object exerts the greatest force on object B?

• Object A

• Object C

• A and C exert an equal force on B

• Cannot be determined

Tags

NGSS.HS-PS2-4

The distance between the two masses in the previous situation is halved. Determine the gravitational force in this new situation.

• 20 N

• 40 N

• 80 N

• 160 N

Tags

NGSS.HS-PS2-4