Vectors Vocabulary Flashcards

Front

Vector

Back

A quantity that has both magnitude (length) and direction.

Front

Initial Point

Back

The point at the "tail" of the arrow representing the vector.

Front

Terminal Point

Back

The point at the tip of the arrow representing the vector.

Front

Equivalent Vectors

Back

Vectors that have the same direction and same magnitude.

Front

Opposite Vectors

Back

Vectors that have the same magnitude but opposite directions.

Front

Magnitude

Back

The length of a vector.

Front

Component Form

Back

A representation of a vector using its horizontal and vertical components, usually written as an ordered pair (x,y).

Front

Unit Vector

Back

A vector with a magnitude of 1.

Front

Scalar

Back

A real number; it has a magnitude but no direction.

Front

Dot Product

Back

A way of multiplying two vectors that yields a scalar.