PMA 3 Science

What will cause an object to move?

• Applied forces

• Balanced forces

• Unbalanced forces

Tags

NGSS.MS-PS2-2

What is the unit to MEASURE force?

• Kilogram

• Meter

• Pounds

• Newton

When forces are _________ the object DOES NOT move.

• unbalanced

• balanced

• heavy

• light

The sum of all forces acting on an object.

• Contact Force

• Balanced Force

• Unbalanced Force

• Net Force

Tags

NGSS.MS-PS2-2

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

Tags

NGSS.MS-PS2-4

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 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

Less mass equals:

• less gravity

• less distance

• more gravity

• more distance

Tags

NGSS.MS-PS2-4