Friction + Newton's 1st + 2nd Review

Friction is a force that acts in the ___________ direction of movement.

• friction

• opposite

• same

• west

 What is the unit called that measures force?

• weight
• meter
• Newton
• kilogram

Friction is a force that...

• works against motion

• makes things faster

• makes things heavier

• is imaginary

Which force makes it less likely for you to slip on a dry sidewalk than on an icy sidewalk?

• gravity

• friction

• inertia

• momentum

Which of these affects the amount of friction between two materials?

• their color

• their price

• the types of surface

• the temperature

Arrows 1 and 2 represent_____ and __________.

• Normal Force and Friction

• Gravity and Normal Force

• Force and Friction

• Gravity and Friction

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What are the 2 main factors that influence Friction?

• the amount of force

• nothing

• the surface of the object

• the floor

What is Newton's 2nd Law?

• An object at rest will stay at rest, and object in motion will stay in motion

• for every action, there is an equal and opposite reaction

• acceleration is produced when a force acts on a mass

According to Newton's 2nd Law, the greater the ____ of an object, the more force you will need to move it.

• surface

• force

• mass

Miss K will need to apply more force to Wagon B because_________.

• it has pumpkins and she loves those things

• it has more mass

• Miss K is weak

• there is a lot of friction