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Force and Motion

TermDefinition
Potential Energy The energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.
Kinetic Energy Energy that a body possesses by virtue of being in motion.
Momentum The quantity of motion of a moving body, measured as a product of its mass and velocity.
Mass A coherent, typically large body of matter with no definite shape.
Inertia A tendency to do nothing or to remain unchanged.
Gravity The force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton's laws of gravity apply, with minor modifications to take the general theory of relativity into account.
Friction The resistance that one surface or object encounters when moving over another.
Weight A body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.
Force In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull.
Torque A twisting force that tends to cause rotation.
Compression The action of compressing or being compressed.
Contortion Contortion is a performance art in which performers, contortionists, showcase their skills of extreme physical flexibility. Contortion acts often accompany acrobatics, circus acts, street performers and other live performing arts.
Tension The state of being stretched tight.
Shear Break off or cause to break off, owing to a structural strain.
Velocity The speed of something in a given direction.
Acceleration A vehicle's capacity to gain speed within a short time.
Created by: Snelson-24