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2. Flexible arm
For the calculation of flexible arms, please refer to the sections on Structural calculations in the Basic sciences section and Strength of materials in the Construction section.
The simplest bending spring is the rectangular-section flexible arm.
2.1 Arms with uniform rectangular cross-section
From the Resistance of Materials and using the notations in figure 1 and those given in the table of Notations and Symbols, we know that :
bending moment is maximum at embedding :
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Flexible arm
Single leaf spring
