Determine the internal shear force and moment acting at point C

in the beam.

4 kip ft 6 ft Prob. 7-7

## Answer

4 kip it 6 ft 6 ft Consider the equilibrium of forces along y-direction A By(6)(4)0 2 Ay +By 12 kip Consider the equilibrium of moments about A. B, (12 12B, -48 0 B, 4 kips Substitute the known value in (1 A, +4-12 A, 8 kips Consider the right part of the beam ACB 6 ft B 4 kips Consider the equilibrium of forces along y-direction. Consider the equilibrium of moments about C. B, (6)-Mc0 (4)(6)-Mc0 Mc-24 kip-ft