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Science 8

Work, Engergy, Machines

Energy the ability to do work
Joules unit of measure of energy
Kinetic energy energy associated with motion; increases as mass and velocity increase
Mechanical energy Potential energy + Kinetic energy
Potential energy energy at rest, stored energy
Gravitational Potential energy potential energy related to height, place or position
Work rate at which energy is transferred
Elastic Potential Energy potential energy related to objects that can be stretched; rubber bands, springs, bow
Newton unit of measure of work
Power rate at which energy is transferred; work/time
Watt unit of measure of power
Force x Distance work
Compound Machine uses two or more simple machines
Wedge simple machine;inclined plane that moves
Created by: mbarkley