Studied by 10 peopleFundamental units
Kilogram, second, mole, meter, ampere, Kelvin, candela
Derived units
Combination of fundamental units
Accuracy
How close a measurement is to the correct value
Precision
How close measurements are to each other
Random uncertainty
Uncertainty produced by unpredictable variations such as estimations when reading instruments (shows up as error bars)
Systematic error
An error with the instrument used causing an incorrect measurement
Vector
Quantity with magnitude and direction
Scalar
Quantity with magnitude
Displacement
Distance from point A to B in a straight line (distance traveled in a particular direction)
Velocity
Rate of change of displacement (speed in a given direction)
Speed
Rate of change of distance
Acceleration
Rate of change of velocity
Note
Flashcard