Chapter 2, Problem 4A

What two quantities are necessary to determine a vector quantity?

To determine

The two quantities necessary to determine a vector quantity.

Answer to Problem 4A

Magnitude and direction

Explanation of Solution

Introduction:

A vector quantity provides the magnitude of the quantity as well as the direction in which that quantity is being applied.

A scalar quantity just provides the magnitude however the vector quantity provides both the magnitude as well as direction.

For example: speed is a scalar quantity however velocity is a vector quantity.

Conclusion:

Hence, the two quantities necessary for determining a vector quantity are magnitude and direction.