All terms in this list:

elastic force: energy produced by an material when it is stretched or compressed

tension force: the force transmitted through a string rope or wire when pulled tight by forces acting from each end

compression force: a squeezing or pushing applied to an object to make the object shrink

applied contact force: a push or pull requiring physical contact between an object or person and another object or person

area: is the size of a two-dimensional surface length multiplied by width

gravity: the force that objects exert on each other because of their massses

orbit: A circular or elliptical path of one object around another object.

friction: a force that resists the motion between two surfaces in contact

fluid: a substance that can easily flow

air resistance: The action of friction that slows something moving through air.

pressure: is a measure of how much force is acting on a certain area

pascal: In the International System of Units, the derived unit of pressure and stress; one newton per square metre. Symbol: Pa.

bouyant force: the upward force on objects in a fluid

mass: a measure of how much matter an object is made of

weight: the force of gravity on an object with mass