Introduction to Forces Vocabulary

A push or pull exerted on an object that may change the motion or shape of the object; it has strength and direction

• force

• newton

• velocity

• acceleration

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

the SI unit for force (N)

• newton

• velocity

• force

• speed

the speed of an object in a particular direction

• speed

• acceleration

• newton

• velocity

the rate at which velocity changes over time

• acceleration

• speed

• force

• newton

an object ____________ if its speed, direction, or both change

• accelerates

• forces

• contacts

• speeds

the rate at which a distance is traveled

• speed

• velocity

• acceleration

• force

Tags

NGSS.MS-PS3-1

forces that only act between objects that are touching

• contact forces

• noncontact forces

forces that act at a distance

• noncontact forces

• contact forces

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-4

NGSS.MS-PS2-5

a force of attraction between objects that is due to their masses and that decreases as the distance between the objects increases

• gravity

• friction

• weight

• air resistance

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

a force that opposes motion between two surfaces that are in contact

• gravity

• friction

• weight

• air resistance