Question

The SI unit of stress is

(a) N/m

(b) N/m²

(c) N/m³

(d) N-m²

Answer 1

Correct option is (b) N/m²

As, we know that, stress = \(\frac{\text{restoring force}}{\text{area}}\)

\(= \frac N{m^2}\)

\(= N/m^2\)