The bell-crank mechanism shown is in equilibrium for an applied load of P (N) at A. Consider that "a" in mm, “b" in mm, and 0 = 60°. Determine the minimum diameter d (mm) required for pin B if the bearing stress in the support bracket must not exceed 165 MPa. Calculate for exact values. Answer with 2 decimal places

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Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.