Motion and Forces Vocabulary

How fast an object’s position changes with time at any given moment.

• speed

• acceleration

• distance

• direction

Tags

NGSS.MS-PS3-1

A push or pull.

• forces

• balanced forces

• unbalanced forces

• friction

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Forces that occur as one object touches another.

• noncontact forces

• contact forces

Forces that occur without objects touching.

• noncontact forces

• contact forces

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-4

NGSS.MS-PS2-5

A force that opposes the motion of one object moving past another.

• Friction

• Force

• Balanced force

• unbalanced force

A change in velocity with respect to time.

• speed

• acceleration

• forces

• distance

Forces that act together on an object without changing its motion.

• balanced forces

• unbalanced forces

Tags

NGSS.3-PS2-1

Forces that do not cancel each other out and that cause an object to change its motion.

• balanced forces

• unbalanced forces

Tags

NGSS.MS-PS2-2

The line or course along which something moves, faces, or lies.

• speed

• motion

• direction

• position

A noncontact force that acts over a distance and pulls objects toward each other.

• acceleration

• speed

• distance

• gravity

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5