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Work,Energy,Machines

Vocab

TermDefinition
Work The use of force to move an object some distance in the direction of force
Energy Ability to do work
Power Rate at which work is done
Kinetic Energy The energy of motion
Potential Energy The energy an object has because of its position, condition, or chemical composition
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 work is done
Mechanical Advantage The number of times the machine multiplies the input force
Mechanical Efficiency A comparison of a machine's work output with the work input
Lever A simple machine that has a bar that pivots at a fixed point
Fulcrum Fixed point in a lever
Wheel and Axle Simple machine that is made of a wheel connected to a smaller cylindrical object, the axel
Pulley Simple machine that has a grooved wheel that holds a rope or a cable
Inclined Plane Simple machine that is straight, slanted surface
Created by: 18dquintero0602
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