A thin strip of steel of length L = 20in. and thickness t = 0.2 in. is bent by couples M0 (see figure). The deflection at the midpoint of the strip (measured from a line joining its end points) is found to be 0.20 in. Determine the longitudinal normal strain É› at the top surface of the strip.

Transcribed Image Text:

L-2 L-2 0