Redesign the shape of the beam from Problem so that it will carry a minimum of 6000 lb usi...

Redesign the shape of the beam from Problem so that it will carry a minimum of 6000 lb using the same material and design factor.

Problem

A cantilever beam has the cross-sectional shape shown in Figure. It is 36.0 inches long and it will carry a single concentrated load at its end. A design factor of 4.0 is desired when using ASTM A48 Grade 60 gray cast iron. Compute the allowable load on the beam.

FIGURE