Question

Mention some physical quantities having same dimensional formulae but different units.

Answer 1

(a) (i) Linear momentum [MLT^-1] kg Ms^-1 

(ii) Impulse [MLT^-1] Ns

(b) (i) Work and Energy [ML²T^-2] J 

(ii) Torque [ML2T^-2] Nm

(c) (i) Surface tension [ML⁰T^-2 ] Nm^-1 

(ii) Surface energy [ML⁰T^-2] Jm^-2

(d) (i) Angular velocity [M⁰L⁰T^-1] rad s^-1 

(ii) Velocity gradient [M⁰L⁰T^-1] s^-1 

(iii) Frequency [M⁰L⁰T^-1] Hz