1. Agenda New Schedule Introduction to Uniform Motion Notes
Finish Sample Problems

2. Introduction to Uniform Motion
Topic: Uniform Motion Date: 1/30/15

3. Introduction to Uniform Motion
Topic: Uniform Motion Date: 1/30/15
Essential Question: What is uniform motion, and how will we describe it?

4. What is uniform motion?
Uniform motion is any motion in which an object’s position changes at a regular rate (speed)

5. Vocabulary Needing Definition
Position
Displacement
Velocity
Speed

6. Vocabulary Needing Definition
Position
Displacement Vectors
Velocity
Speed Scalar

7. What are Vectors and Scalars?
Vector - a quantity with magnitude and direction (example: 20 miles per hour north)

8. What are Vectors and Scalars?
Vector - a quantity with magnitude and direction (example: 20 miles per hour north)

9. What are Vectors and Scalars?
Vector - a quantity with magnitude and direction (example: 20 miles per hour north)

10. What are Vectors and Scalars?
Vector - a quantity with magnitude and direction (example: 20 miles per hour north)
Scalar -

11. What are Vectors and Scalars?
Vector - a quantity with magnitude and direction (example: 20 miles per hour north)
Scalar - A quantity with magnitude only
(example: an object with a mass of 0.5kg)

12. What are Vectors and Scalars?
Vector - a quantity with magnitude and direction (example: 20 miles per hour north)
Scalar - A quantity with magnitude only
(example: an object with a mass of 0.5kg)

13. Position
Definition:
Units:
Variable:
Equations:

14. Position Definition: Tells you the location of an object Units:
Variable:
Equations:

15. Position Definition: Tells you the location of an object
Units: meters, centimeters, kilometers...
Variable:
Equations:

16. Position Definition: Tells you the location of an object
Units: meters, centimeters, kilometers...
Variable: x
Equations:

17. Position Definition: Tells you the location of an object
Units: meters, centimeters, kilometers...
Variable: x
Equations: none

18. Displacement
Definition:
Units:
Variable:
Equations:

19. Displacement Definition: Tells you how far an object has moved Units:
Variable:
Equations:

20. Displacement Definition: Tells you how far an object has moved
Units: meters, centimeters, kilometers
Variable:
Equations:

21. Displacement Definition: Tells you how far an object has moved
Units: meters, centimeters, kilometers
Variable: Δx
Equations:

22. Displacement Definition: Tells you how far an object has moved
Units: meters, centimeters, kilometers
Variable: Δx
Equations:
Greek letter “delta”.
Means “change in x”

23. Displacement Definition: Tells you how far an object has moved
Units: meters, centimeters, kilometers
Variable: Δx
Equations: Δx = xfinal - xinitial

24. Velocity
Definition:
Units:
Variable:
Equations:

25. Velocity
Definition: Tells you the speed of an object and the direction it is moving
Units:
Variable:
Equations:

26. Velocity
Definition: Tells you the speed of an object and the direction it is moving
Units: m/s, cm/s, km/hr
Variable:
Equations:

27. Velocity
Definition: Tells you the speed of an object and the direction it is moving
Units: m/s, cm/s, km/hr
Variable: v
Equations:

28. Velocity
Definition: Tells you the speed of an object and the direction it is moving
Units: m/s, cm/s, km/hr
Variable: v
Equations: v = Δx Δt

29. Velocity
Definition: Tells you the speed of an object and the direction it is moving
Units: m/s, cm/s, km/hr
Variable: v
Equations: v =
Displacement - how far did it go? Δx Δt

30. Velocity
Definition: Tells you the speed of an object and the direction it is moving
Units: m/s, cm/s, km/hr
Variable: v
Equations: v =
Displacement - how far did it go? Δx
time interval - how long was it moving for? Δt

31. Sample Problem #1
You get in the car and you drive from Peoria to Chicago. Peoria is at position x=0 and Chicago is at position x = 300 km. What was your displacement?

32. Sample Problem #1 equation?
You get in the car and you drive from Peoria to Chicago. Peoria is at position x=0 and Chicago is at position x = 300 km. What was your displacement?
equation?

33. Sample Problem #1 equation: Δx = xfinal - xinitial
You get in the car and you drive from Peoria to Chicago. Peoria is at position x=0 and Chicago is at position x = 300 km. What was your displacement?
equation: Δx = xfinal - xinitial

34. Sample Problem #1 equation: Δx = xfinal - xinitial Δx = 300km - 0km
You get in the car and you drive from Peoria to Chicago. Peoria is at position x=0 and Chicago is at position x = 300 km. What was your displacement?
equation: Δx = xfinal - xinitial
Δx = 300km - 0km

35. Sample Problem #1 equation: Δx = xfinal - xinitial Δx = 300km - 0km
You get in the car and you drive from Peoria to Chicago. Peoria is at position x=0 and Chicago is at position x = 300 km. What was your displacement?
equation: Δx = xfinal - xinitial
Δx = 300km - 0km
Δx = 300 km

36. Sample Problem #1 equation: Δx = xfinal - xinitial Δx = 300km - 0km
You get in the car and you drive from Peoria to Chicago. Peoria is at position x=0 and Chicago is at position x = 300 km. What was your displacement?
equation: Δx = xfinal - xinitial
Δx = 300km - 0km
Δx = 300 km
Real meaning?: You drove 300 km

37. Sample Problem #2
You then decide to drive from Chicago (at position x = 300 km) to Minneapolis (at position x =1000 km). What is your new displacement?

38. Sample Problem #2 equation?
You then decide to drive from Chicago (at position x = 300 km) to Minneapolis (at position x =1000 km). What is your new displacement?
equation?

39. Sample Problem #2 equation: Δx = xfinal - xinitial
You then decide to drive from Chicago (at position x = 300 km) to Minneapolis (at position x =1000 km). What is your new displacement?
equation: Δx = xfinal - xinitial

40. Sample Problem #2 equation: Δx = xfinal - xinitial
You then decide to drive from Chicago (at position x = 300 km) to Minneapolis (at position x =1000 km). What is your new displacement?
equation: Δx = xfinal - xinitial
Δx = 1000km km

41. Sample Problem #2 equation: Δx = xfinal - xinitial
You then decide to drive from Chicago (at position x = 300 km) to Minneapolis (at position x =1000 km). What is your new displacement?
equation: Δx = xfinal - xinitial
Δx = 1000km km
Δx = 700 km

42. Sample Problem #2 equation: Δx = xfinal - xinitial
You then decide to drive from Chicago (at position x = 300 km) to Minneapolis (at position x =1000 km). What is your new displacement?
equation: Δx = xfinal - xinitial
Δx = 1000km km
Δx = 700 km
Real meaning: You drove a distance of 700 km

43. Sample Problem #3
On your drive from Chicago to Minneapolis takes 7 hours. What was your velocity on the trip?

44. Sample Problem #3 Equation?
On your drive from Chicago to Minneapolis takes 7 hours. What was your velocity on the trip?
Equation?

45. Sample Problem #3 Equation: v = Δx Δt
On your drive from Chicago to Minneapolis takes 7 hours. What was your velocity on the trip?
Equation: v = Δx Δt

46. Sample Problem #3 Equation: v = = Δx Δt
On your drive from Chicago to Minneapolis takes 7 hours. What was your velocity on the trip?
Equation: v = = Δx Δt

47. Sample Problem #3 Equation: v = = Δx 700 km Δt
On your drive from Chicago to Minneapolis takes 7 hours. What was your velocity on the trip?
Equation: v = = Δx
700 km Δt

48. Sample Problem #3 Equation: v = = Δx 700 km Δt 7 hours
On your drive from Chicago to Minneapolis takes 7 hours. What was your velocity on the trip?
Equation: v = = Δx
700 km Δt
7 hours

49. Sample Problem #3 Equation: v = = = 100 km/hr Δx 700 km Δt 7 hours
On your drive from Chicago to Minneapolis takes 7 hours. What was your velocity on the trip?
Equation: v = = = 100 km/hr Δx
700 km Δt
7 hours

50. In the remaining time: 2 extra problems on your notesheet
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