Either the total force W or the distributed force per length w may be given, depending on the circumstances. The total amount of force applied to the cantilever beam is W=w L, where L the beam length. The load w is distributed throughout the cantilever span, having constant magnitude and direction. I : the moment of inertia of the cross-section around the elastic neutral axis of bendingĬantilever beam with uniform distributed load.E : the material modulus of elasticity (Young's modulus).Positive sign convention for internal axial force, N, shear force, V, and bending moment, M Symbols A different set of rules, if followed consistently would also produce the same physical results. These rules, though not mandatory, are rather universal. The bending moment is positive when it causes tension to the lower fiber of the beam and compression to the top fiber.
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