What is the sum of a vector 12 m North and a vector 8m north?
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Answer:
20m North.
Explanation:
As they are in same direction, you can add them directly. And result is 12 + 8 m = 20 m North.
If you use vector addition:
Vectors = 12m & 8 m & angle b/w them is 0°(as both are in same direction).
R = √12² + 8² + 2(12)(8)cos0°
= √144 + 64 + 192(1)
= √400
= 20 m
Therefore sum of vectors is 20m North.
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