For any three vectors a, b, c forming a triangle in sequence, what is the value of a + b + c?
For any three vectors a, b, c forming a triangle in sequence, what is the value of a + b + c?
- A. |a| + |b| + |c|
- B. a − b − c
- C. 0
- D. 2(a + b)
Answer: C) 0
Explanation: By the triangle law of vector addition, if three vectors represent three sides of a triangle taken in order, their sum is the zero vector, 0.
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