Ask a Teacher

Search



Vector quantities are those which need magnitude as well as direction and scalar quantities are those which need only magnitude.they what we call those which need direction only
A quantity is a hypothetically measurable amount of something. We refer to those things whose amounts are described by physical-quantities as physical-dimensions.Quantities are described in terms of reference quantities called units-of-measure. A meter is an example of a unit-of-measure for quantities of the length..So for a physical quantity magnitude is must because without magnitude a quantity is meaningless.So we have no quantity with direction only.


comments powered by Disqus