3.

# Multiplying Vectors

You can multiply or divide a vector by a scalar. If the scalar is a positive number, this only changes its magnitude, not its direction.If you multiply or divide a vector by a negative scalar, it changes the magnitude and also reverses the direction.

\(3/\vec v=\)???

Note that you can \(\vec v\vec w=\)???

*never*divide by a vector; it has no meaning to do so. Also, while there

*are*ways to "multiply" vectors together, we will not be using them in this book, so if you ever find yourself multiplying two vectors together, think again.