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Work,Energy,and Mach

Unit 2 Lesson 1,2,3

TermDefinition
Work the use of force to move an object some distance in the direction.
Energy the ability to do work
Power the rate at which work is done.
Kinetic energy the energy of motion
Potential energy the energy of object has because of its position
Mechanical energy the energy possessed by an object due to its motion and position.
Machine any device that helps people do work by changing the way is done
Mechanical advantage the number of times the machine multiplies the input force
Mechanical effiency a comparison of a machine's work output with the work input
lever is a simple machine that has a bar that pivots at a fixed point
fulcrum fixed point
wheel and axle a simple machine that is made of a wheel connected to smaller cylindrical object, the axle
pulley is a simple machine that has a grooved wheel that holds rope or a cable
inclined plane is a simple machine that is a straight, slanted surface
Created by: 18bmartinez0209
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