Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
1.
|
Find the dot product. 
|
|
|
2.
|
Find the dot product.  a. | - 316 | b. | - 318 | c. | -
315 | d. | - 319 | e. | - 317 |
|
|
|
3.
|
For the pair of vectors, find  . 
|
|
|
4.
|
For the pair of vectors, find  .  a. | - 6 | b. | - 7 | c. | -
12 | d. | - 5 | e. | - 8 |
|
|
|
5.
|
For the pair of vectors, find  . 
|
|
|
6.
|
Find the angle  between the given vectors to the nearest tenth
of a degree. 
|
|
|
7.
|
Is the pair of vectors  and 
perpendicular?
|
|
|
8.
|
Find the value of  so that vectors  and  are perpendicular. a. | a = - 16 | b. | a = - 15 | c. | a = -
19 | d. | a = - 18 | e. | a = - 12 |
|
|
|
9.
|
Find the work performed when the given force  is applied to
an object, whose resulting motion is represented by the displacement vector  .
Assume the force is in pounds and the displacement is measured in feet.  a. | 1,008 ft-lb | b. | 1,003 ft-lb | c. | 1,005
ft-lb | d. | 1,004 ft-lb | e. | 1,009 ft-lb |
|
|
|
10.
|
Find the work performed when the given force  is applied to
an object, whose resulting motion is represented by the displacement vector  .
Assume the force is in pounds and the displacement is measured in feet.  a. | 540 ft-lb | b. | 530 ft-lb | c. | 550
ft-lb | d. | 570 ft-lb | e. | 560 ft-lb |
|