Forces and Friction

What is force?

• energy sources

• moving matter

• a push or pull

• making things happen

Tags

NGSS.MS-PS2-1

What scientific instrument can measure force?

• balance

• graduated cylinder

• spring scale

• ruler

What is the metric unit of force?

• gram

• newton

• liter

• joule

What is friction?

• energy when something is pushed

• force needed to move something

• force that pushes or pulls

• force that one force exerts on another when rubbed together

What is the net force?

• 20 N 
• 0 N 
• 400 N 
• 40 N 

Tags

NGSS.HS-PS2-1

What is the net force?

• 10 N
• 0 N
• 25 N
• 1 N

Tags

NGSS.MS-PS2-2

Forces that have a net force of zero 

• Balanced force
• Unbalanced force

Balanced or Unbalanced?

• Balanced 
• Unbalanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Calculate the Net Force. 

• 40N, Left
• 40N, Right
• 0N, Balanced
• 75N, Right

Tags

NGSS.MS-PS2-2

Simon wanted to know if the height of a ramp affected how fast the car went down it. What part of this experiment is Simon's INDEPENDENT (Test) Variable?

• height of the ramp
• the type of car
• the speed of the car
• there isn't one