Physics Definitions
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Last updated 7:16 AM on 11/15/22
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14 Terms
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Electric field
a region in space where a charged object experiences a force
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Coulomb's Law
the force between two charges is directly proportional to the product of the charges and inversely proportional to the distance between the charges squared
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Potential difference
the work done per unit positive charge
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Current
the rate of flow of charge
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Ohm's Law
Current through a conductor is directly proportional to the potential difference across the conductor at constant temperature
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Resistance
a material's opposition to the flow of electric current
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Vector
a physical quantity that has both magnitude and direction
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Scalar
a physical quantity that has magnitude only
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Resultant vector
the single vector which has the same effect as the original vectors acting together
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Distance
the length of path travelled
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Displacement
a change in position
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Speed
the rate of change of distance
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Velocity
the rate of change of displacement
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Acceleration
the rate of change of velocity
