Introduction to Physics

Units of Conversion

Converting between different units.

Scientific Notation

A method to express very large or vary small numbers.

Significant Figures

Rules to determine how many meaningful digits are in a number.

Accuracy

How close a measurement is to the true value.

Precision

How consistent repeated measurements are.

Systematic Error

Consistent error due to faulty equipment or bias.

Random Error

Unpredictable variations in measurement.

Precision Error

Related to the consistency of measurements.

Vector

A quantity with magnitude and direction.

Scalar

A quantity which only have magnitude.

Resultant Vectors

The combined effect of two or more vectors.

Parallelogram Method

A way to find the resultant by drawing a parallelogram using two vectors as adjacent slides.