Dimensions of stress are:

A $[ML^2T^{-2}]$

B $[ML^0T^{-2}]$

C $[ML^{-1}T^{-2}]$

D $[MLT^{-2}]$

The answer is C.

Solution

Stress $= \frac{Force}{Area} = \frac{[MLT^{-2}]}{[L^2]} = [ML^{-1}T^{-2}]$

Concept dimensions of stress

3 questions from this chapter have appeared across 3 exam years.