Review: Forces

What will cause an object to move?

• Applied forces
• Balanced forces
• Unbalanced forces

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

When forces are _________ the object DOES NOT move.

• unbalanced
• balanced
• heavy
• light

Tags

NGSS.MS-PS2-2

The sum of all forces acting on an object.

• Contact Force
• Balanced Force
• Unbalanced Force
• Net Force

Tags

NGSS.HS-PS2-1

What is the net force?

• 20 N 
• 0 N 
• 400 N 
• 40 N 

Tags

NGSS.HS-PS2-1

Which example would be a balanced force?

• Train moving at a constant speed in the same direction.

• A skier going down a hill.

• A basketball being passed to a teammate.

• An apple falling to the floor.

The diagram shows a box being pulled up the ramp. Which letter represents normal force?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-1

The diagram shows a box being pulled up the ramp. Which letter represents applied force?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-1

The diagram shows a box being pulled up the ramp. Which letter represents the weight?

• A

• B

• c

• d

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

The diagram shows a box being pulled up the ramp. Which letter represents the frictional force?

• A

• B

• c

• d

Tags

NGSS.HS-PS2-1

Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance? 

• F/3
• F/2
• F/6
• F/9

Tags

NGSS.HS-PS2-4