last lab

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Lab Observations and Calculations Beam Flexural Strength Pmax(N ) Sigma Max (mm) M (Slope ) N/m) Vmax (N) Mmax (Nm) Ymax (m) Iz (m^4) S (m^3) σ max (MPA) ε f (m/m) 1 Horizontal 327 6.7 2 Vertical 9 18.16 3 BMN 958 Questions and Answer: 1) Under 3 point bending, what is the maximum shear force (V) and bending moment (M) for point load applied in the middle of beam? Show a free body diagrams and equilibrium equation, and solve for all reactions). Draw shear force and bending moment diagrams for V and M( be sure to label max/min values as a functions of P and L ) Answer: 2) Calculate the moment of inertia and section modulus for two simple beam configurations below. Then calculate Iz and S for your beam-be sure to show all the steps using the parallel axis theorem. Answer: 3) From the tabulated data above, determine which has the best properties in terms of flexural strength Pmax) and flexural stiffness (proportional to slope m). Did the results surprise you? How did the results correlate with S? Ans: According to the tabulated data, the horizontal beam has the best properties in terms of the flexural
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