1. Vectors

2. Go to Google classroom and complete the assignment. You have 10 minutes.

3. Important terms Displacement Distance is its magnitude Has direction
Velocity
Speed is its magnitude

4. Vectors
We use vectors to describe motion of an object that is traveling in both the x and y direction.
Vector components
Two or more vectors acting on the same point.
Resultant
One vector having the same effect as the combined components.

5. Visual of new terms
Resultant
Y Component
X Component

6. Apples and Oranges
When adding vectors they must represent the same motion
velocity + velocity acceleration + acceleration displacement + displacement OK
velocity + acceleration: NO!

7. Adding Vectors – tip to tail method
Start with a bold dot
Draw the longest vector first
Draw the next vector head to tail
Draw the resultant from the big dot to the last arrow head.
Measure the resultant (graphically, measured, or calculated).

8. Vectors – same axis
Vectors have magnitude and direction. They add or subtract depending on their directions.
Parallel vectors are pretty simple:
50 m
100 m = +
50 m
50 m/s =
0 m/s +
50 m/s

9. What is the likely hood of being found?
A camper in Yosemite park gets disoriented while hiking. They know they have traveled 50 kilometers from the park entrance. They are able to send a message to the park ranger to say they are lost and have traveled 50 kilometers. How easy will it be to find the hiker?

11. Adding vectors in different directionsB C B
A + B = C

12. What is the Pythagorean Theorem?c a b

13. Pythagorean Theorem a2 + b2 = c2 152 + 202 = c2 225 + 400 = c2x 15 20

14. Practice –drawing vectors
With a partner do the following:
Use the tip to tail method to draw, calculate the resultant, and determine a direction for the following vectors:
Diagram ‘A’ from your worksheet (vector sizes are 20 cm and 15cm)
Diagram ‘C’ from your worksheet (vector sizes are 24 cm and 12 cm)
Diagram ‘H’ from your worksheet (vector sizes are 36 cm and 18 cm.
Diagram ‘I’ from your worksheet (vector sizes are 20 cm and 20 cm)