For the bar shown in Figure, let h1 =60 mm and h2 = 20 mm. The bar is to be made from poly...

For the bar shown in Figure, let h1 =60 mm and h2 = 20 mm. The bar is to be made from polycarbonate plastic. Compute the maximum permissible load P that will produce a design factor of 4 based on the flexural strength of the plastic. The bar is symmetrical with respect to its middle.

FIGURE Trapped flat bar for Problem