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section . Similarly, on plotting the areas of the shearing force curve as ordinates, a " bending moment " curve Strength. moment curves are zero . when afloat, and the weight and supporting forces and height -nth of the in dock or ashore; (2) the dynamic forces arising from the length, with the crest 3 W The straining actions of the forces, due to the distribution of ming for the whole 'ship. in motion, constitute the only part of the problem ctions arising in the structure is so complex, that simplifying The results of theoretical calculations as to the general structural drawn by successive in- of ships are therefore of value for comparative purposes tegration of the curve of d to some extent for the approximate estimation of stresses loads . Typical curves liable to occur in the structure . The comparison of the wei ht on The greatest straining actions, to which vessels of ordinary forms mum bending moment (fig• 54) represent the weight, and BBB: . .the buoyancy the lengths A¢, bc, de. fC the weight is in excess of the buoy are then generally reduced in amount .