PMA 3 Science Review

What is the net force of an object that is not moving?

• 0 N

• 100 N

• Upward force

• 10 N

Tags

NGSS.3-PS2-1

What is the net force?

• 20 N 

• 0 N 

• 400 N 

• 40 N 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If these teams are pulling with the same amount of force what will happen?

• The boy in blue will win.

• They will not move at all.

• The boy in red will win.

• Both will fall down.

Tags

NGSS.MS-PS2-2

What two things determine the gravity of an object?

• mass & weight

• mass & distance

• density & mass

• volume & distance

When will the gravity between two objects be the LEAST?

• when the masses of both objects is small and the objects are close together

• when the masses of both objects is small and the objects are far apart

• when the masses of both objects is large and the objects are close together

• when the masses of both objects is large and the objects are far apart

Which statement about gravity is true?

• gravity causes objects to pull towards one another

• gravity causes objects to push away from each other

• gravity only takes place between planets

• the moon doesn't have any gravity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which system has the greater gravitational attraction between the two objects (if any)?

• System A

• System B

• Same gravitational attraction fro System A and System B

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

A contact force is from

• objects physically touching

• far apart objects

• not touching object

• always a pull

A non-contact force is between

• two objects that aren't touching

• two objects that are touching

• the ground and wheels

• you and me

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-4

NGSS.MS-PS2-5

The force between the phone and the mount is a

• contact force

• non-contact force

Tags

NGSS.MS-PS2-5