Forces and Force Diagrams

Which way is the object moving?

• it's either not moving or moving at a constant speed due to balanced forces

• to the right

• to the bottom

• up

Tags

NGSS.MS-PS2-2

The sum of all forces acting on an object and direction

• Contact Force

• Balanced Force

• Unbalanced Force

• Net Force

Tags

NGSS.MS-PS2-2

Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?

• Balanced

• Unbalanced

Ted is trying to move a fridge through his house, he gets stuck on a carpet and even though he is pushing the fridge, it is not moving. What force is acting against him?

• gravity

• friction

• air

• mass

Balanced or unbalanced?

• balanced

• unbalanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Forces have both _________ and direction.

• Magnitude

• Gravity

• Speed

• Height

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Name the missing force...

• weight force

• normal force

• applied force

• frictional force

Tags

NGSS.MS-PS2-4

Name the missing force...

• tension force

• gravitational force

• normal force

• applied force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A leftward force is applied to a crate to push it across the floor at a constant speed. Which is the correct force diagram?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-2

This diagram can be used to indicate which of the following? (TWO correct answers)

• a object at rest

• an object moving at a constant velocity (speed)

• an object accelerating

• (Trick question -- there is only one correct answer)

• an object decelerating