1. Chapter 3

2. Which figure shows
STT3.1

3. Which figure shows
STT3.1

4. Which figure shows
STT3.2

5. Which figure shows
STT3.2

6. What are the x- and y-components Cx and Cy of vector
Cx= –3 cm, Cy = 1 cm
Cx= –4 cm, Cy = 2 cm
Cx= –2 cm, Cy = 1 cm
Cx= –3 cm, Cy = –1 cm
Cx= 1 cm, Cy = –1 cm
STT3.3

7. What are the x- and y-components Cx and Cy of vector
Cx= –3 cm, Cy = 1 cm
Cx= –4 cm, Cy = 2 cm
Cx= –2 cm, Cy = 1 cm
Cx= –3 cm, Cy = –1 cm
Cx= 1 cm, Cy = –1 cm
STT3.3

8. Angle that specifies the direction of is given by
tan–1(Cx/Cy)
tan–1(Cx/|Cy|)
tan–1(|Cx|/|Cy|)
tan–1(Cy/Cx)
tan–1(Cy/|Cx|)
STT3.4

9. Angle that specifies the direction of is given by
tan–1(Cx/Cy)
tan–1(Cx/|Cy|)
tan–1(|Cx|/|Cy|)
tan–1(Cy/Cx)
tan–1(Cy/|Cx|)
STT3.4

10. Chapter 3
Reading Quiz

11. A quantity having both size and direction
What is a vector?
A quantity having both size and direction
The rate of change of velocity
A number defined by an angle and a magnitude
The difference between initial and final displacement
None of the above
IG3.1

12. A quantity having both size and direction
What is a vector?
A quantity having both size and direction
The rate of change of velocity
A number defined by an angle and a magnitude
The difference between initial and final displacement
None of the above
IG3.1

13. This chapter shows how vectors can be added using
graphical addition.
algebraic addition.
numerical addition.
both A and B.
both A and C.
IG3.3

14. This chapter shows how vectors can be added using
graphical addition.
algebraic addition.
numerical addition.
both A and B.
both A and C.
IG3.3

15. To decompose a vector means
To break it into several smaller vectors.
To break it apart into scalars.
To break it into pieces parallel to the axes.
To place it at the origin.
This topic was not discussed in Chapter 3.
IG3.4

16. To decompose a vector means
To break it into several smaller vectors.
To break it apart into scalars.
To break it into pieces parallel to the axes.
To place it at the origin.
This topic was not discussed in Chapter 3.
IG3.4