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26 Cards in this Set
- Front
- Back
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work
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(Force)(Distance)
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Power
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Rate of doing work
work/time |
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Horse Power
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Common unit of power
746 watts |
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Joule
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Work measurement
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Watt
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SI unit of power
joules/sec |
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Machine
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Device that changes a force
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Lever
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Rigid bar free to move around a fixed point
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Fulcrum
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Fixed point that the bar rotates around
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Wheel and Axle
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Two discs with different radii
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Inclined Plane
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Slanted surface used to get to a different elevation
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Wedge
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Two inclined planes sloped toward each other
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Screw
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Inclined plane around a cylinder
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Pulley
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Rope fixed into a groove in a wheel
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Energy
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Ability to do work
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Kinetic Energy
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Energy of Motion
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Potential Energy
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Energy stored as a result of position/shape
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Gravitational Potential Energy
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Potential energy depending on height
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Elastic PE
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Energy of an object that is stretched/compressed
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Mechanical Energy
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Energy associated with motion and position
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Thermal Energy
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Total PE and KE related to the motion of all the particles in an object
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Chemical Energy
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Energy stored in chemical bonds
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Electric Energy
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Energy associated with an electric charge
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Electromagnetic Energy
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Forms of energy that travels through space
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Nuclear Energy
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Energy stored in a nucleus
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Energy Conversion
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Energy changes from one form to another
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Law of Conservation of Energy
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Energy can't be created nor destroyed
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