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

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

An _______ force must act on an object for it to CHANGE it's motion

• balanced
• unbalanced
• gravitational
• electrical

Tags

NGSS.MS-PS2-2

This type of force resist motion between two surfaces that are pressed together

• contact
• gravity
• friction

The unit of force is

• m/s
• m/s^2
• newton
• kg

What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the net force on the block? (click on the words to view the picture)

• 5 Newtons up
• 5 Newtons down
• 15 Newtons up
• 15 Newtons down

Tags

CCSS.7.EE.B.3