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Unit 2 Lesson 1,2,3

The use of force to move something. Work
The ability to do work. Energy
The rate at witch work is done. Power
The energy of motion. Kenetic Energy
Stored Energy for later use. Potential Energy
Energy possessed by an object due to its motion and position. Mechanical Energy
Any device that does work. Machine
Number of times a machine multiplies the input force. Mechanical Advantage
Comparison of a machines output with the work input. Mechanical Effciency
Simple machine with a bar that pivotes at a fixed point. Lever
A fixed point on a lever. Fulcrum
Simple machine made of a wheel and a smaller cylindrical object(Axle). Wheel and Axle
Simple machine with a groved wheel and holds a rope or cable. Pulley
A simple machine with a strait or slanted surface. Inclined Plane
Created by: 18bramn0117,