# Answer to Question #46928 in Vector Calculus for prromise ayansola

Question #46928

A ..... is such that it can slide along its line of action.

vector

null vector

motion

line vector

vector

null vector

motion

line vector

Expert's answer

A vector is an infinite set of parallel directed line segments. Vectors defined this way are called free vectors. A null vector has a zero magnitude. In geometry motion is a distance-preserving map of a space (for example, rotation, reflection, translation). A direction vector that describes a line segment D is any vector with two distinct points A and B on the line D.

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