Question

Define unit vector and give its physical significance ​

Answer 1

Answer:

A vector with unit magnitude called unit vector. It specifies direction only not having any unit or dimension. It can change a scalar into a vector by just multiplying by it. ... By definition, in a Euclidean space the dot product of two unit vectors is a scalar value amounting to the cosine of the smaller subtended angle

Explanation:

make me as brainliest