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Motion & Energy

TermDefinition
speed the rate at which someone or something is able to move or operate
velocity the speed of something in a given direction
distance an amount of space between two things or people.
displacement the moving of something from its place or position.
motion the action or process of moving or being moved.
reference point a basis or standard for evaluation, assessment, or comparison; a criterion.
vector a quantity having direction as well as magnitude, especially as determining the position of one point in space relative to another.
average speed average speed of an object in an interval of time is the distance traveled by the object divided by the duration of the interval; the instantaneous speed is the limit of the average speed as the duration of the time interval approaches zero.
instantaneous speed When the speed of an object is constantly changing, the instantaneous speed is the speed of an object at a particular moment (instant) in time. Example. Fingerspell. instantaneous speed.
slope a surface of which one end or side is at a higher level than another; a rising or falling surface.
Created by: swtason