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The branch of science that seeks to understand the fundamental principles governing the behavior of the universe.
Physics
The fundamental units of measurement in physics, including length, mass, time, and temperature difference.
Base units
meter (m)
The SI unit for length
Kilogram (kg)
The SI unit for mass
Second (s)
The SI unit for time
The process of converting a measurement from one unit to another, either by moving the decimal point to the right or left.
Converting units
The digits in a measured quantity that are considered to be significant and convey meaningful information.
Significant figures
A fraction that expresses the relationship between two equivalent units of measurement.
Conversion factor
Can be described by a single number and do not have a direction, such as temperature, speed, and mass.
Measurement
Scalar quantities
Have both magnitude and direction, such as velocity, force, and displacement.
Vector quantities
Arrows are used to represent
Vectors
\sin \theta =
\dfrac{opposite}{hypotenuse}
\cos \theta =
\dfrac{adjacent}{hypotenuse}
\tan \theta =
\dfrac{opposite}{adjacent}
Pythagorean theorem
h^{2}=h_{o}^{2}+h_{a}^{2}
The process of combining two or more vectors to obtain a resultant vector, represented by the equation A + B = R.
Vector addition
Signs (positive or negative)
When adding and subtracting, you must look at the
Note 
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