Chapter 3
Which figure shows STT3.1
Which figure shows STT3.1
Which figure shows STT3.2
Which figure shows STT3.2
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
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
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
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
Chapter 3 Reading Quiz
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
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
What is the name of the quantity represented as Eye-hat Invariant magnitude Integral of motion Unit vector in x-direction Length of the horizontal axis IG3.2
What is the name of the quantity represented as Eye-hat Invariant magnitude Integral of motion Unit vector in x-direction Length of the horizontal axis IG3.2
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
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
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
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