Introduction of Vector
Category : JEE Main & Advanced
Physical quantities having magnitude, direction and obeying laws of vector algebra are called vectors. Example: Displacement, velocity, acceleration, momentum, force, impulse, weight, thrust, torque, angular momentum, angular velocity etc. If a physical quantity has magnitude and direction both, then it does not always imply that it is a vector. For it to be a vector the third condition of obeying laws of vector algebra has to be satisfied. Example: The physical quantity current has both magnitude and direction but is still a scalar as it disobeys the laws of vector algebra.
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