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20 Cards in this Set
- Front
- Back
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Physics
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A branch of knowledge that involves the study of the physical world
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Scientific Method
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A systematic method of observing, experimenting, and analyzing.
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SI
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system of units used in science
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Base Units
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The units used to measure quantities of length(meter), time(seconds), mass(kilograms), and temperature(kelvin).
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Derived Units
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are combinations of the base units
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Scientific Notation
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Mx10^n
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Precision
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Describes the degree of exactness of a measurement
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Accuracy
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is how well the results of the experiment agree with the standard value
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Parallax
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the apparent shift in the position of an object when it's viewed from different angles
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Factor/label method
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method of converting one unit to another
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Origin
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point at which variables have the value 0
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Position Vector
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an arrow from origin to point of variable
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Scalar Quantity
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quantity that tells you the magnitude
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Vector Quantity
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tells you the magnitude and direction
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Displacement
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defines distance and direction between 2 positions
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Time interval
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time interval = t1-t0
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distance
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Length/size of the displacement vector
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average speed
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ratio of total distance traveled to the time interval
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instantaneous velocity
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speed and direction at a particular time
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average acceleration
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velocity divided by time interval
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