Force and Motion Vocabulary

push or pull that affects the object's motion

• acceleration

• speed

• gravity

• force

an object's resistance to change in motion

• direction

• velocity

• inertia

• acceleration

how fast or slow an object moves in a certain time period

• speed

• velocity

• motion

• force

an objects speed and direction together

• point of reference

• direction

• velocity

• acceleration

change in speed or direction

• velocity

• acceleration

• momentum

• motion

the force that pulls an object back to earth

• gravity

• motion

• inertia

• momentum

any movement in an object or person

• direction

• motion

• gravity

• force

the way something or someone is moving

• point of reference

• momentum

• direction

• motion

objects that are not moving help us observe objects in motion

• friction

• point of reference

• acceleration

• momentum

a force that slows down or prevents an object's motion

• friction

• momentum

• inertia

• speed