3-1: Describing Motion and Forces: 8th

the state in which one object's distance from another is changing

• motion

• reference point

• force

• newton

• friction

Tags

NGSS.MS-PS2-2

a place or object used to determine whether or not something is or was in motion

• motion

• reference point

• force

• newton

• friction

any push or pull

• motion

• reference point

• force

• newton

• friction

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

a unit used to measure the strength of a force

• motion

• reference point

• force

• newton

• friction

opposes motion; a contact force that two surfaces exert on each other when rubbing/pushing against each other

• motion

• reference point

• force

• newton

• friction

not fixed and not absolute; can change

• gravity

• net force

• friction

• relative

a force that pulls objects toward each other as a result of their mass

• gravity

• net force

• friction

• relative

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

a combination of all the forces acting on something such as an object

• gravity

• net force

• friction

• relative

Tags

NGSS.MS-PS2-2

more friction will . . .

• slow something down and/or make it travel less distance

• allow something to move faster and/or a further distance

Tags

NGSS.MS-PS2-2

less friction will . . .

• slow something down and/or make it travel less distance

• allow something to move faster and/or a further distance

Tags

NGSS.MS-PS2-2