Work Power and Energy

Q1 Certain physical quantities are listed below. Select any three pairs of physical quantity with same dimension.
(1) Stress (2) Energy (3) Displacement (4) Force (5) Work
(6) Pressure (7) Torque (8) Weight (9) Velocity

A1. Stress & Force, Energy & Work, Force & Weight




Q2 In the above question, Select the odd one ? Write the uses of dimensional analysis ?

A2. odd one is Torque because it is related to circular motion.

Uses of dimensional analysis are
I. Check the correctness of an equation
II. Derive an equation relating to two or three physical quantities
III. Find dimension of constants in an equation
IV. Convert unit from one system to another.