Examine the physical quantities given below and answer the questions that follow:
PHYSICS · Subjective · CBSE · Physics · Motion in a Plane · Motion in a Plane
Problem
Examine the physical quantities given below and answer the questions that follow:
(i) distance travelled
(ii) displacement
(iii) work done
(iv) electric current
(v) temperature
(vi) impulse
(vii) momentum
(viii) magnetic flux
(a) Classify each quantity as a scalar or a vector.
(b) Give one clear reason to support your classification in the case of electric current and impulse.
(c) Explain why work is treated as a scalar even though force and displacement are vectors.