the amount of matter in an object

the measure of the steepness of a line

the resistance that one surface or object encounters when moving over another.

the energy an object has due to its motion

the energy an object can have because of its position or condition

a push or pull on an object

a force which is applied to an object by a person or another object

the support force exerted upon an object that is in contact with another stable object

a special type of frictional force that acts upon objects as they travel through the air.

the action or process of moving or changing position

an object at rest will stay at rest and an object in motion will stay in motion, unless acted upon by an outside force

the rate at which an object moves

the change of velocity of an object (direction and/or speed)

the speed of an object in a particular direction