Answer to Question #213801 in Physics for Segun

Question

The young modulus of elasticity is defined as E=F/A/e/a

Obtain the dimension of E where f= force A= area and l are lengths

Answer 1

$$E=\dfrac{FL_0}{A\Delta L}=\dfrac{M\dfrac{L}{T^2}L}{L^2L}=ML^{-1}T^{-2}.$$