Figure 25 mm 150 mm Ik 25 mm 25 mm B 150 mm M 1 of 1 25 mm Calculate the maximum stress in the beam. Express your answer to three significant figures and include the appropriate units. Tmax= Submit Provide Feedback μА Value 1 Request Answer Units ?

Figure 25 mm 150 mm Ik 25 mm 25 mm B 150 mm M 1 of 1 25 mm Calculate the maximum stress in the beam. Express your answer to three significant figures and include the appropriate units. Tmax= Submit Provide Feedback μА Value 1 Request Answer Units ?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The beam is subjected to an internal moment of M = 122 kN.m (Figure 1) Figure 30 mm, C. B 150 mm. M 150 mm 300 mm. 2 4 30 mm 1 of 1 ▼ Part A Determine the bending stress developed at point A. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. A=148 Submit Part B μÁ MPa www Previous Answers Request Answer R= 624 MPa X Incorrect; Try Again; 4 attempts remaining ? Determine the bending stress developed at point B. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension.
Consider the beam shown in (Figure 1). Take P = 3 kip and w = 1.3 kip/ft. Point E is just to the right of the 3-kip load. Follow the sign convention. Figure 6 ft D 6 ft B 4 ft E 4 ft C Part A Determine the normal force at point D. Express your answer in kilopounds to three significant figures. ND= 0 Submit Part B Determine the shear force at point D Express your answer in kilopounds to three significant figures. VD = 0.650 Submit Part C AΣo↓↑ vec 5 Request Answer Mp= Submit AΣo↓↑ vec Request Answer Determine the moment at point D Express your answer in kilopound-feet to three significant figures. ——| ΑΣΦ ↓↑vec ? Request Answer ? ? kip kip kip.ft
the same magnitude of stress in compression. For points not on a surface of the beam, we can use Omax /c = -o/y Part A - Moment Required to Produce a Given Stress to rewrite the flexure formula in the more general form The cross-section of a wooden, built-up beam is shown below. The dimensions are L = 220 mm and w = 40 mm. Му (Figure 1) Determine the magnitude of the moment M that must be applied to the beam to create a compressive stress of op = 30 MPa at point D. Also calculate the maximum stress developed in the beam. The moment M is applied in the vertical plane about the geometric center of the beam. Figure Express your answers, separated by a comma, to three significant figures. 'D M =, kN-m, MPa Omax =
the same magnitude of stress in compression. For points not on a surface of the beam, we can use Omax /c = -o/y Part A - Moment Required to Produce a Given Stress to rewrite the flexure formula in the more general form The cross-section of a wooden, built-up beam is shown below. The dimensions are L = 220 mm and w = 40 mm. Му (Figure 1) Determine the magnitude of the moment M that must be applied to the beam to create a compressive stress of op = 30 MPa at point D. Also calculate the maximum stress developed in the beam. The moment M is applied in the vertical plane about the geometric center of the beam. Figure Express your answers, separated by a comma, to three significant figures. > View Available Hint(s) 'D Vo AEd vec ? kN-m, MPа M =. Omax= Submit
Part A Consider the beam shown in (Figure 1). Suppose that the distributed load w = 700 lb/ft Follow the sign convention. Figure Vc = Submit Part B 900 lb-ft Mc = -3 (1 μÀ Value Qubmait Determine the internal shear force acting at point C Express your answer to three significant figures and include the appropriate units. Request Answer 6 ft μA Value C W Request Answer Units 6 ft Determine the internal moment acting at point C Express your answer to three significant figures and include the appropriate units. www ? B Units < 1 of 1 900 lb-ft-
The timber beam has a width of 6 in (Figure 1). The beam has the cross section shown in the figure below (Figure 2). Figure 5 ft P -5 ft- 1 of 2 B Determine its height h so that it simultaneously reaches its allowable bending stress allow Tallow = 70 psi. Express your answer to two significant figures and include appropriate units. h = ▾ Part B Submit Request Answer P = μA Value Submit ☐ What is the maximum load P that the beam can then support? Express your answer to three significant figures and include appropriate units. HA Value Units Request Answor www Units ? ? = 1.2 ksi and an allowable shear stress of 4
Consider the following figure. ot oc i (a) Determine the maximum tensile stress and maximum compressive stress (in MPa) due to the load P acting on the simple beam AB. Data are P = 6.3 kN, L = 3.3 m, d = 1.40 m, b = 80 mm, t = 25 mm, h = 120 mm, = 90 mm. (Use the deformation sign convention.) and h₁ MPa = MPa = (b) Find the value of d (in m) for which tensile and compressive stresses are the largest. What are these stresses (in MPa)? (Use the deformation sign convention.) d = at = σ, m B MPa 000 MPa
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 R₂
Consider the beam in (Figure 1). Take that M = 32 kN-m and P = 12 kN. Determine the normal force, shear force, and moment at point C. Follow the sign convention. igure M A с 1.5 m 1.5 m-1.5 m-1.5 m- B 1 of 1 ▼ Part A Determine the normal force at point C. Express your answer to three significant figures and include the appropriate units. No = Submit Part B Submit Part C ■μÀ HA Value Vc = Value Mc = Determine the shear force at point C. Express your answer to three significant figures and include the appropriate units. Submit Request Answer | MA 3 Request Answer HA Value Units Determine the moment at point C. Express your answer to three significant figures and include the appropriate units. Roquoot Anouor Units www. ? B Units ? ?
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 ? ksi
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 ? ksi
The built-up beam is subjected to a moment of M = 80 kNm. Variable d₁ d₂ d3 da Values for the figure are given in the following table. Note the figure may not be to scale. d5 d3 de d₁ Value 128 mm 22 mm 276 mm 11 mm 138 mm d4 12 mm M₁ de d5 a. Determine the distance from the Neutral Axis to the top of the beam, N.A. b. Determine the mass moment of inertia of the beam, I. Determine the max compressive stress acting on the beam, compression c. d. Determine the max tensile stress acting on the beam, tension.