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PS.9.1 & 9.4

Energy and Motion

QuestionAnswer
Motion distance from another object is changing
Reference Point an object used for comparison to determine motion
Distance The total length of the actual path between 2 points
Displacement Length and direction that an object is moved from its starting point
Scalar Measurements that have magnitude, or size, only
Vector a quantity that consists of both a magnitude and a direction
Speed tells the rate at which at which an object moves
Velocity tells the speed and direction of a moving object
Acceleration tells the rate speed or direction changes
Work When an object is caused to move a certain distance
Energy The ability to do work or cause change
Kinetic Energy Energy an object has due to its 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 The potential Energy of objects that can be stretched or compressed
Mechanical Energy an object’s combined Kinetic Energy and Potential Energy
Law of Conservation Energy When one form of energy is transformed to another, no energy is destroyed in the process
Created by: sunshine14