If we subtract a vector from itself, there are at least two ways to write the re

Question

If we subtract a vector from itself, there are at least two ways to write the result: A - A = 0 A - A = 0 The right side of the first form shows the zero in boldface, indicating that it is a vector. The right side of the second form does not use boldface, so the result is not a vector. Using the alternative notation of indicating a vector with a small arrow over the letter, we can write these same two relations as follows: A - A = 0 A - A = 0 Which form is correct, 1 or 2? Two vectors have different magnitudes. Can their sum be zero? If one component of a vector is nonzero, can the vector have zero magnitude?

Explanation / Answer

form 1 is correct because the addition or subtraction of a vetorfrom another vector should yield another vector. b) NO.two vectors having magnitude cannot add up to zeromagnitude C)No .it is possible only when two components are of zeromagnitude

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