State, for each of the following physical quantities, if it is a scalar or a vector: volume, mass, speed, acceleration, density, number of moles, velocity, angular frequency, displacement, angular velocity.

Question

State, for each of the following physical quantities, if it is a scalar or a vector: volume, mass, speed, acceleration, density, number of moles, velocity, angular frequency, displacement, angular velocity.

Philoid · Accepted Answer

NOTE: A scalar quantity is a quantity that is described by a magnitude or numerical value only. A vector quantity is a quantity that is described by both magnitude and direction.