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Quiz Chapters 1 and 2  Numerical Accuracy  Space, Mass and Time  Vectors  Polar and Rectangular Coordinates.

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Presentation on theme: "Quiz Chapters 1 and 2  Numerical Accuracy  Space, Mass and Time  Vectors  Polar and Rectangular Coordinates."— Presentation transcript:

1 Quiz Chapters 1 and 2  Numerical Accuracy  Space, Mass and Time  Vectors  Polar and Rectangular Coordinates

2 1. Which of the following variables is a kinematic variable? a) force b) work c) speed d) power

3 2. Which variable is not independent in Newtonian mechanics? a) mass b) space c) time d) force

4 3. Which characteristic is not a property of vectors. a) thickness b) direction c) sign d) magnitude

5 4. Which number has the correct number of significant figures? a) b) c) 3450 d) 5.0

6 5. Which of the following is a kinetic variable? a) acceleration b) velocity c) angular position d) energy

7 6. Convert 25.0 m/s to km/h. a) 6.94 b) 90.0 c) d) 1.500

8 7. What are the polar coordinates of the vector: (4.00, 5.00)? a) (9.00, 51.0 degrees) b) (6.40, 51.0 degrees) c) (9.00, 38.7 degrees) d) (6.40, 38.7 degrees)

9 8. What are the rectangular coordinates of a vector of 30.0 metres at 20.0 degrees from the horizontal? a) (17.32, 10.00) m b) (10.26, 28.2) m c) (28.2, 10.26) m d) (10.00, 17.32) m

10 Correct answers 1) c = speed 2) d = force 3) a = thickness 4) c = ) d= energy 6) b = 90.0 km/h 7) b = 6.40 at 51.0 deg 8) c = (28.2, 10.26)

11 Rank yourself  7-8: You may have a career in biomechanics!  5-6: Not bad but you can do better.  3-4: Did you read the questions or did you close your eyes and point?  0-2: You need to read the textbook (probably several times).


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