8.PS2.6 Newton's Third Law of Motion Vocabulary

Vocabulary flashcards defining key physical science terms for Newton's Third Law of Motion.

Newton’s Third Law

every action force has an equal and opposite reaction force

action force

first force in a pair

reaction force

force that pushes or pulls back

force pair

two forces acting on two different objects

equal

same size

opposite

going the other direction

interaction

two objects affecting each other

push

force away

pull

force toward

collision

when objects hit each other

recoil

backward movement after a force, like a cannon or rocket

thrust

pushing force that moves something forward

rocket

object moved by pushing gas backward

momentum

amount of motion an object has

mass

amount of matter

acceleration

change in motion

contact

touching

system

group of objects being studied

object

thing being studied

force diagram

drawing that shows forces