Give the negative of the following vectors: A = 2.0 m, north and B = 4.0 m, 30° south of west. N N Answer: W Practice Exercise 2.10 A -E W- 30° B -B 30° -E From the diagrams, -A = 2.0 m, south and -B = 4.0 m, 30° north of east. Note that we do not place a negative sign before the magnitude of the vectors. The negative sign (-) only indicates opposite direction and does not affect the magnitude. Give the negative of the following vectors: A = 6.0 units, southeast and B = 7.5 units, 67° north of west.

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Chapter3: Vectors
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Based from the sample prob. 2.10. Then answer PRACTICE EXERCISE 2.10 with Complete solutions
Sample Problem 2.10
llar
Give the negative of the following vectors: A = 2.0 m, north and B = 4.0 m, 30° south of west.
N
N
Answer:
W
Practice Exercise 2.10
S
A
-A
-E
W
30°
B
-B
es lo non mà
S
30°
-E
From the diagrams, -A = 2.0 m, south and -B = 4.0 m, 30° north of east. Note that we do
not place a negative sign before the magnitude of the vectors. The negative sign (-) only indicates
opposite direction and does not affect the magnitude.
Give the negative of the following vectors: A = 6.0 units, southeast and B = 7.5 units, 67°
north of west.
To subtract vector B from vector A, we simply add the negative of B to A. In symbols,
A-B=A+ (−B).
Because the process of subtraction has been reduced to addition, then the methods of addition
discussed in the previous sections may be used.
Transcribed Image Text:Sample Problem 2.10 llar Give the negative of the following vectors: A = 2.0 m, north and B = 4.0 m, 30° south of west. N N Answer: W Practice Exercise 2.10 S A -A -E W 30° B -B es lo non mà S 30° -E From the diagrams, -A = 2.0 m, south and -B = 4.0 m, 30° north of east. Note that we do not place a negative sign before the magnitude of the vectors. The negative sign (-) only indicates opposite direction and does not affect the magnitude. Give the negative of the following vectors: A = 6.0 units, southeast and B = 7.5 units, 67° north of west. To subtract vector B from vector A, we simply add the negative of B to A. In symbols, A-B=A+ (−B). Because the process of subtraction has been reduced to addition, then the methods of addition discussed in the previous sections may be used.
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