what are vectors and scalars?
which of the quantities distance, speed , velocity , time and displacement are scalars and which are vectors?
Answers
Answer:
Distance, speed and time qualify as scalar quantities as they are magnitude based quantities that have no specific direction associated with them. You never say that it’s been 20 seconds north because time just isn’t a vector quantity.
Displacement and velocity qualify as vector quantities as they have a direction associated with them. Velocity tells us about the speed of a body in a particular direction, displacement also involves direction as it tells us the distance covered by a body in a particular direction.
Explanation:
Distance, speed are scalars.
Velocity and displacement are vectors.
Time has magnitude but it's having a direction is insignificant in classical physics but it is significant in relativity. So, the is considered a scalar in classical physics but vector in relativistic mechanics.
Answer:
Scalars are quantities that are fully described by a magnitude (or numerical value) alone.
Vectors are quantities that are fully described by both a magnitude and a direction.
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