Engineering Tutorials

Example1: A person walks 300m to the east and 400m to the north to reach his friend’s house. What is the total displacement of the person, and what is the total distance traveled by him?

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Adding and subtracting two vectors (Graphical Method):

When we add two vectors and by graphical method to get , we take vector , put the tail of on the head of .Then we draw a vector from the tail of to the head of . That vector represents the resultant (Figure 4). I leave it as an exercise for you to show that . In other words, show that vector addition is commutative.

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