Force and Friction

What are forces?

• A push or pull

• something that acts between positive and negative charges

• what causes all mass to attract to one another

• something caused by mass

Tags

NGSS.MS-PS2-4

what is electromagnetic force

• a force acting between positive and negative charges

• a force causing radioactivity

• a force thsat holds the nucleus of an atom together

• a force that causes all mass to attract to each other

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

what is a weak force

• a force causing all masses to attract to each other

• a force causing some kinds of radioactivity

• a force coming from gravity pulling down on any object with mass

Tags

NGSS.HS-PS1-8

Vector definition

• the direction of a force that makes a big difference in what the force does

• a pulling force

• a squeezing force

• something that slows down a moving object

Tags

NGSS.MS-PS2-2

what does friction do to a moving object?

• slow it down

• make it go faster

Tags

NGSS.MS-PS2-2

4 static friction examples

4 fluid friction examples

4 sliding friction examples

4 rolling friction examples

what is friction?

• the action of one surface or object rubbing against another

• a force coming from gravity pulling down on an object

• rubbing a balloon on your hair

• a push or pull