## Basic formula for maximum bending moment, Mechanical Engineering

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Q. Write down the basic formula for maximum bending moment in some ideal cases.

Sol.:

 Berm together with nature of load Maximum B.M. Section when maximum B.M. occurs 1. Cantilever loaded with 1 point load wat the free end. WL It occurs at fixed end. 2. Cantilever loaded with U.D.L. over entire length. WL2 2 here W = total value of U.D.L. 20 × l It occurs at fixed end.   w/unit length
 Berm together with nature of load Maximum B.M. Section when maximum B.M. occurs 3. Boam loaded with 1 point load at the mid-span. WL 4 where W = point load placed at mid-span. If occurs at mid-span. 4. WL2 8 where W = total value of U.D.L. = 20 × l. If occurs at mid-span. w/unit length     l

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