Problem # p039

Max axial stress

The block of weight P hangs from a pin at A to which the cables AB and AC connected individually.The cross-sectional area of cable AB is 600 mm2 and for cable AC it is 400 mm2. Neglecting the weight of the cables, determine the maximum value of the weight P if the stress in the cables is limited 110 MPa.
Note that the forces in the cables AB and AC are NOT equal.