A composite beam has a cross section as shown in the Figure and parameter table. The beam is subjected to a bending moment of 2 kip ft. Calculate the maximum tensile and compressive bending stress. W H₁ H₂
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- The beam is subjected to an internal moment of M = 90 kip. ft. (Figure 1) Figure 3 in. 1.5 in. 3 in M 6 in. 2 in. 1 of 1 > Part A Determine the maximum compressive and tensile bending stress in the beam. Enter your answers in kilopounds per square inch to three significant figures separated by a comma. IVE ΑΣΦ (max)c. (max)T= Submit Provide Feedback Request Answer vec www ? ksiThe beam is subjected to an internal moment of M= 60- kip ft. (Figure 1) Figure S 1 of 1 6 in in Part A Determine the maximum compressive and tensile bending stress in the beam. Enter your answers in kilopounds per square inch to three significant figures separated by a 15] ΑΣΦ | 11 | vec (max). (max)T= Submit Request Answer Provide Feedback ? ksiConsider the beam in (Eigure 1). Take that P₁ = 11 kN and P₂ = 17 kN. Follow the sign convention. Determine the normal force, shear force, and moment at point C. Figure 1.5m 15 m 1.5 m 1.5 m 1 of 1 B € Part A Determine the normal force at point C. Express your answer to three significant figures and include the appropriate units. Ne= Value Submit Request Answer Part B HA Ve Value Submit Determine the shear force at point C. Express your answer to three significant figures and include the appropriate units. Part C Me= Submit Request Answer Units Value Determine the moment at point C. Express your answer to three significant figures and include the appropriate units. Request Answer Units ? Units ? ?
- MA MB= Mc= MD= Required information For the beam shown, find the reactions at the supports and plot the shear-force and bending-moment diagrams. V=50 lbf/in and V2 = 7 in. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Hinge = 1400 lbf/ A BI AC R₂ R₁ 4 in 4 in 2 in V1 Determine the values of the moments at points A, B, C, and D. lbf.in lbf.in lbf.in Ibf.in V2 D R₂The bending moment diagram and cross-section for a beam are shown below. Use the elastic flexural formula ox = -Mzy/l, to determine the required strength of the beam to resist the compressive stresses. Circle the correct answer for the compressive strength in ksi: 2.3, 2.5, 27.5, 30, 37.7 Show your work below. Bending Moment Diagram Beam Cross-Section 4" +50 2' (K-Fe) 2" 2" - 40 2"For the beam shown, use only singularity functions. V₁ = 45 lbf/in and V/₂ = 5 in. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. 0 1400 lbf Hinge JA B₁ C R₂ R₁ 4 in 4 in 2 in V1 V2 D R₂ + What is the value of the peak moment between points Cand D? The peak moment between points C and Dis Ibf.in.
- The strut on the utility pole supports the cable having a weight of P = 300 lb. (Figure 1) Figure 1.5 ft -2 ft- 4 ft 1 B < 1 of 1 2 in. HT I4 in. Part A Determine the absolute maximum bending stress in the strut if A, B, and C are assumed to be pinned. Express your answer in kilopounds per square inch to three significant figures. omax = Submit Provide Feedback VO VE ΑΣΦ AΣ vec Request Answer ? ksiSubstitute the value for s = 5 For the beam and loading shown. P = 20×S N, F = 10×S N, Q = 4×S N/m, (INA 10.6x10° m). %3D -6 Determine the following and showing your steps: (a) Find the centroid of the cross section. (b) Find the maximum tensile bending stress in the beam and its location from point A. (c) The shear stress at point H in the cross section. (At a distance of 4 m to left of support D). 12 inm 15mm- 150 mm 12 mm 20mm A в с B H -5m 5m--4m-l- -14m- - I00 mm %3DHi, I want to find the location on the beam where the maximum bending moment happens as measured from point A. I have already gathered the following information. FAx= 0 FAy= 25.0869 FCy= 32.913 the sheer force at B= 3.087 The bending moment at B = 77.4785 Let the loading coefficents be: W1 = 4 kN/m, W2 = 8 kN/m Let the lengths be: L1 = 5.5m , L2 = 6m. If anyone could help me with this last step of the problem that would be great.
- A shaft is supported in bearings, the distance between their centres being 1 metre. It camries a pulley in the centre and it weighs 1 kN. Find the diameter of the shaft, if the permissible bending stress for the shaft material is 40 MPa. [Ans. 40 mm]Let a = 4 m, b = 1 m, PB = 30 kN, Pc = 40 kN, and PE = 15 KN. Construct the shear-force and bending-moment diagrams on paper and use the results to answer the questions in the subsequent parts PB B a Pc a PE E Calculate the reaction force Ay acting on the beam. (Note: Since Ax = 0, it has been omitted from the free-body diagram.) Final answer in kN rounded-off to 1 decimal placeThe beam in (Figure 1) is made from three boards nailed together as shown. Figure 20 mm 200 mm M 25 mm K 150 mm 20 mm 1 of 1 Part A If the moment acting on the cross section is M = 640 Nm, determine the maximum bending stress in the beam. Express your answer to three significant figures and include appropriate units. omax = Submit Provide Feedback Value Request Answer Units