Vectors, definition A vector is composed of a magnitude and a direction examples: displacement, velocity, acceleration magnitude of A is designated Al usually carries units A vector has no particular position Two vectors are equal if their directions and magnitudes match A=C A≠B.B≠C Physics 121: Lecture 5, Pg 10Physics 121: Lecture 5, Pg 10 Vectors: definition A vector is composed of a magnitude and a direction examples: displacement, velocity, acceleration magnitude of A is designated |A| usually carries units A vector has no particular position Two vectors are equal if their directions and magnitudes match. A B C A = C A = B, B = C