Question

What is the difference between a scalar and a vector ?

Answer 1

No.	Scalars	Vectors
i.	It has magnitude only	It has magnitude as well as direction.
ii.	Scalars can be added or subtracted according to the rules of the algebra.	Vectors are added or subtracted by the geometrical (graphical) method or vector algebra.
iii.	It has no specific representation.	It is represented by the symbol (→) arrow.
iv	The division of a scalar by another scalar is valid.	The division of a vector by another vector is not valid.
	Example: Length, mass, time, volume, etc.	Example: Displacement, velocity, acceleration, force, etc.