Question

Define scaler and vector quantities

Answer 1

Scalar quantities are the quantities which have magnitude but no direction.
Example- Speed.

Vector quantities are the quantities which have both magnitude and direction.
Example- Velocity

Answer 2

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=> Mathematicians and scientists call a quantity which depends on direction a vector quantity. A quantity which does not depend on direction is called a scalar quantity. Vector quantities have two characteristics, a magnitude and a direction. Scalar quantities have only a magnitude.