# Vector Addition

- Author:
- Peter Sassman

The applet below shows the addition of two vectors. You can move around the points, and then use the sliders to create the sum. For question 5, push "Combine Initial" to have the two vectors start at the same place.
Answer the questions, and move around the points to check various cases, until you are convinced of the property.

**Question 1:**Explain in your own words, how to add vectors geometrically.

**Note:**be specific in your answer.

**Question 2:**For normal number addition, we have a special number "0", where

**Question 3:**For normal numbers

**Question 4:**Consider two vectors

**Question 5:**Is vector addition associative?

**Hint:**Associative means