20 Physics -- Vectors

What does the negative of a vector mean?

What does the negative of a vector mean?

The negative of a vector means a vector which is obtained by changing the direction of the given vector into opposite direction.

Say a be the given vector, so negative of a is -a.

a and -a will have the same magnitude but opposite direction.

A negative of a vector represents the direction opposite to the reference direction. It means that the magnitude of two vectors are same but they are opposite in direction.

For example, if A and B are two vectors that have equal magnitude but opposite in direction, then vector A is negative of vector B.

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