For the beams shown in Figs. 1 and 2, determine: 1

. Plane stress state 

2. Principal stresses 

3. Maximum in-plane she ar stress state with corresponding 

4. Plot ALL stress states above 

5. Plot Mohr Circle for ALL stress states above 

 

Line Line 2 Line 3 Line 1 Line 2 Line 3 12 kN/m 1.4 m 1.9 m 28m Fig. 1 Simply-Supported Beam Line 1 Line 2 Line 3 12 kN/m 1.4 m 1.9 m 2.8 m Fig. 2 Cantilever Beam 30 200 mm 100 mm 125 mm 250 mm