Forces and Motion

Any change in the speed or direction of an object's motion.

• inertia

• acceleration

A pull or push of any kind.

• force

• motion

A force that resists motion between objects that are in contact.

• friction

• gravity

• acceleration

A force that acts between any two objects, causing them to pull on each other

• acceleration

• gravitation

• velocity

The force of attraction between Earth and other objects.

• position

• inertia

• gravity

The property of matter that keeps an object at rest or keeps it moving in a straight line.

• position

• gravity

• inertia

A change of position of an object.

• motion

• force

• velocity

The location of an object.

• inertia

• position

• acceleration

The measure of an object's change in position during a unit of time.

• speed

• velocity

• inertia

The measure of the speed and direction of motion of an object.

• motion

• position

• velocity