The cross-section of the embedded-free-end beam, whose loading condition is given below, is symmetrical with respect to the horizontal axis and the wall thickness t is the same everywhere. According to this; a. Find and draw the shear flux distribution in the section 1 meter away from the free end. b. How many degrees does the free end rotate? 20 cm 10 kN t=1 mm 30 cm 10 cm 10 kN 1 m 4 m