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Stack #2344107

TermDefinition
motion The state in which one object's distance from another is changing.
reference point A place or object used for comparison to describe the position or motion of a person or object.
distance The length of a path between two points.
displacement The length and direction of a straight line between starting and ending points.
vector A measurable quantity that consists of both a magnitude and a direction.
speed The distance an object travels in a certain period of time without regard to direction.
average speed The overall rate of speed at which an object moves: calculated by dividing the total distance an object travels by the total time.
instantaneous speed The speed of an object at any given instant.
slope The steepness of a line on a graph, equal to its vertical change divided by its horizontal change.
acceleration The rate at which velocity changes with time.
work A word that describes
energy
kinetic energy
potential energy
gravitational potential energy
elastic potential energy
mechanical energy
law of conservation of energy
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