1. Chapter 3

2. Which figure shows (1) (2) (3)(4) (5)

3. Which figure shows (1) (2) (3)(4) (5)

4. Which figure shows (1) (2) (3)(4) (5)

5. Which figure shows (1) (2) (3)(4) (5)

6. What are the x- and y-components C x and C y of vector 1) C x = –3 cm, C y = 1 cm 2) C x = –4 cm, C y = 2 cm 3) C x = –2 cm, C y = 1 cm 4) C x = –3 cm, C y = –1 cm 5) C x = 1 cm, C y = –1 cm

7. 1) C x = –3 cm, C y = 1 cm 2) C x = –4 cm, C y = 2 cm 3) C x = –2 cm, C y = 1 cm 4) C x = –3 cm, C y = –1 cm 5) C x = 1 cm, C y = –1 cm What are the x- and y-components C x and C y of vector

8. 1)tan –1 (C x /C y ) 2)tan –1 (C x /|C y |) 3)tan –1 (|C x |/|C y |) 4)tan –1 (C y /C x ) 5)tan –1 (C y /|C x |) Angle that specifies the direction of is given by

9. 1)tan –1 (C x /C y ) 2)tan –1 (C x /|C y |) 3)tan –1 (|C x |/|C y |) 4)tan –1 (C y /C x ) 5)tan –1 (C y /|C x |) Angle that specifies the direction of is given by

10. Chapter 3 Reading Quiz

11. What is a vector? 1)A quantity having both size and direction 2)The rate of change of velocity 3)A number defined by an angle and a magnitude 4)The difference between initial and final displacement 5)None of the above

12. What is a vector? 1)A quantity having both size and direction 2)The rate of change of velocity 3)A number defined by an angle and a magnitude 4)The difference between initial and final displacement 5)None of the above

13. What is the name of the quantity represented as 1)Eye-hat 2)Invariant magnitude 3)Integral of motion 4)Unit vector in x-direction 5)Length of the horizontal axis

14. What is the name of the quantity represented as 1)Eye-hat 2)Invariant magnitude 3)Integral of motion 4)Unit vector in x-direction 5)Length of the horizontal axis

15. This chapter shows how vectors can be added using 1)graphical addition. 2)algebraic addition. 3)numerical addition. 4)both 1 and 2. 5)both 1 and 3.

16. This chapter shows how vectors can be added using 1)graphical addition. 2)algebraic addition. 3)numerical addition. 4)both 1 and 2. 5)both 1 and 3.

17. To decompose a vector means 1)To break it into several smaller vectors. 2)To break it apart into scalars. 3)To break it into pieces parallel to the axes. 4)To place it at the origin. 5)This topic was not discussed in Chapter 3.

18. To decompose a vector means 1)To break it into several smaller vectors. 2)To break it apart into scalars. 3)To break it into pieces parallel to the axes. 4)To place it at the origin. 5)This topic was not discussed in Chapter 3.