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Vector and Scalar Quantities : Definition, Examples

Published on 03-Oct-2022

Vector and scalar quantities

In physics and mathematics, different types of quantities can be categorized as scalar or vector.

Scalar quantities

Scalar quantities are the name given to the quantities that only have magnitude. The quantity can only be described by giving it a magnitude or a specific numerical value. There is no direction associated with scalar quantities. The height of a tower is 50 meters. The tower's height is described as a scalar quantity, as only the magnitude of the tower's height defines it. Suppose it takes 3 hours to complete a lab assignment. The times just need the magnitude of 3 hours to define themselves. Other scalar quantity examples are speed, mass, distance, energy, time, volume, density, temperature, work, distance, and others.

Vector quantities

Vector quantities are the quantities that take magnitude and the direction of the quantity. A girl is riding a bike with a velocity of 5 km/h. For defining velocity, we need the magnitude along with the direction. Therefore, velocity is a vector quantity. Some examples of vector quantity are acceleration, displacement, momentum, force, weight, current, and others.

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