Definition of Shear Force And Bending Moment
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| shear and moment |
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SHEAR FORCE:-The shear force (briefly written as S.F.) at the cross-section of a beam may be defined as the algebraic sum of all the forces on either side of the section.
| Shear stress | |
|---|---|
Common symbols
| Ï„ |
| SI unit | pascal |
Derivations from
other quantities | Ï„ = FA |
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| A shearing force is applied to the top of the rectangle while the bottom is held in place |
BENDING MOMENT:-The bending moment (briefly written as B.M.) at the cross-section of a beam may be define as the algebraic sum of the forces on either side of the section.A bending moment is the reaction induced in a structural element when an external force or moment is applied to the element causing the element to bend.The most common or simplest structural element subjected to bending moments is the beam.
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| computing the bending moment in a beam |
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