Question

What is a position vector?

Options

• Points north

• Shows location from origin

• Length is 1

• Shows only direction

Answer 1

Shows location from origin

Explanation:

A position vector points from a starting point (origin) to the location of an object in space. For example, a location 3 km east and 2 km north of a city center would be \[\vec r\] = 3î + 2ĵ.