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# Ch 9.1 - 9.4 Vocab

TermDefinition
Motion Distance from another object is changing
Reference Point Place or object used for comparison to see if something is in motion
Distance Length of the path between two points
Displacement Length & direction that an object has moved from its starting point
Vector Magnitude & direction of a motion
Speed Distance objects travel per unit of time
Average speed divide total distance traveled (d) the total time (t)
Instantaneous speed Rate at which objects moving at a given instant in time
Velocity Speed in a given direction
Slope Steepness of a line on a graph
Acceleration The rate at which velocity changes with time
Work When an object is caused to move at a certain distance
Energy The ability to do work or cause change
Kinetic Energy The energy an object has due to it's motion
Potential Energy Stored energy that results from the position or shape of an object
Gravitational Potential Energy Potential energy related to an object's height
Elastic Potential Energy Potential energy of object's that can be stretched or compressed
Mechanical Energy Object combined kinetic energy and potential energy
Law of conservation of energy When one form of energy is transformed to another, no energy is destroyed in the process
Created by: caguilar616889