Physics Scalar and Vector Quantities

Physics: Scalar and Vector Quantities

 

Scalar Quantity:

Quantities which have only magnitude and no direction are called scalar quantities:

Examples: mass, distance, time, speed, volume, density, pressure, work, energy, power, charge, electric current, temperature, scalar potential, specific heat, frequency etc.

 

Vector Quantity:

Quantities which have both magnitude and direction and they obey the vector laws like the triangle law of vector addition or equivalent parallelogram law of vector addition are called vector quantities.

Examples: Displacement, velocity, acceleration, force, weight, momentum, angular momentum, impulse, electric field, magnetic field, current density, pointing vector, vector potential etc.