Adding and Subtracting Vectors

If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?

• 12 km

• 19 km, East

• 31 km

• 43 km, East

A car travels 90 meters due north. Then the car turns around and travels 40 meters due south. What is the magnitude and direction of the car's resultant displacement?

• 40 meters, South

• 50 meters, South

• 50 meters, North

• 40 meters, North

These vectors are ...

• Tail to tail

• Head to head

• A resultant vector

• Head to tail

Describe the translation using a column vector

• A

• B

• C

sum of the vectors

• 
• 
• 
• 

In practice A of the figure, what is the direction of the resultant displacement?

• 63 degrees, South of East

• 63 degrees, North of West

• 27 degrees, North of West

• 27 degrees, South of West

• 
• 
• 
• 

The sum of two or more vectors (450 N in this picture)

• Zero vector

• Parallel vectors

• Equivalent vectors

• Resultant

If two vectors to be added are at right angles, you will need to....

• Multiply

• Divide

• Pythagorean Theorem

• Use trigonometry