The timber beam has a width of 6 in (Figure 1). The beam has the cross section shown in the figure below (Figure 2) gure 1 of 2 > B Determine its height h so that it simultaneously reaches its allowable bending stress allow 1.2 ksi and an allowable shear stress Tallow = 70 psi Express your answer to two significant figures and include appropriate units. 4 LO i Part B μA h= Value Submit Request Answer μA Units What is the maximum load P that the beam can then support? Express your answer to three significant figures and include appropriate units. P= Value DRING ? Units COINC ?

The timber beam has a width of 6 in (Figure 1). The beam has the cross section shown in the figure below (Figure 2) gure 1 of 2 > B Determine its height h so that it simultaneously reaches its allowable bending stress allow 1.2 ksi and an allowable shear stress Tallow = 70 psi Express your answer to two significant figures and include appropriate units. 4 LO i Part B μA h= Value Submit Request Answer μA Units What is the maximum load P that the beam can then support? Express your answer to three significant figures and include appropriate units. P= Value DRING ? Units COINC ?

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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Draw the shear and bending moment diagrams for the beam with loading as shown below. Label all break-points and equations on the two diagrams. The geometric properties at the bottom of this exam may be helpful. 15 kip 2.5 kip/ft- B C A D 6 ft +3 ft> 6 ft Round your answers to one decimal. What is the absolute value of the maximum shear? Where does this maximum shear occur (assume A is located at 0 and D is located at 15 ft)? What is the absolute value of the maximum moment? Where does this maximum moment occur (assume A is located at O and D is located at 15 ft)?
Figure 4 Part A 100 mm o max HA D Value 150 mm. Submit Request Answer Determine the maximum stress in the beam's cross section. Suppose that M = 90 N.m. (Figure 1) Express your answer to three significant figures and include the appropriate units. Units -30° $24 ? A < B 1 of 1 M
The 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"
Consider the beam and loading shown where Mp=3700 lb-in. 600 lb 600 lb M₂ do E 12 in. 8 in. From the figures given below, identify the correct shear diagram and determine the maximum absolute value of the shear. Shear F Shar a Foce C Figure 1 D 12 in. Figure 3 The correct shear diagram is Figure 2 The maximum absolute value of the shear is ► x( (N lb. S mi A S Face A D Figure 2 D Figure 4 40 w
QUESTION 3 If the allowable bending stresses for a beam in one application is 6 kip/in2 in tension. The cross-section of the beam is W8 x 40. If the beam is 10 foot long and simply supported and has a concentrated load applied at x = 3 ft as shown below. • Generate the shear force and bending moment diagram in terms of P; • Based on the allowable maximum bending moment you just obtained above, calculate/ input the mazimm allowable value of the load P: please, pay attention to units, and calculate your answer to 1 decimal place.. 3 ft 7 ft kip.
In (Figure 1), w = 3.8 kip/ft and F=20 lb. Follow the sign convention. Part A Determine the shear force acting at point D of the beam. Express your answer in kilopounds to three significant figures. vec VD = kip Figure 1 of 1 Submit Request Answer Part B Determine the moment acting at point D of the beam. Express your answer in kilopound-feet to three significant figures. A, 6 ft 9 ft ΑΣφ vec MD = kip ft %3D
The moment acting on the cross section of the beam is M = 3 kip.ft. (Figure 1) Figure 1.5 in 12 in. 1.5 in. M 12 in. 1.5 in. 1 of 1 Part A Determine the resultant force the bending stress produces on the top board A of the beam. Express your answer in kilopounds to three significant figures. 17| ΑΣΦ ↓↑ vec FR = Submit Provide Feedback Request Answer ? kip
Q/ For the beams and loading shown below. A-Draw the shear force and bending-moment diagrams. B- Determine the equations of the shear force and bending-moment curves for the segments CD in Figure 2 C- Compute the bending stress at point (a) on section C. D- Determine the values and locations of the maximum tensile and compression bending stresses. Figure (2) R Point a Radius of hole: 40kN 0.5m 30 20KN/m 0.7m A B D |B 1m Im 3m Radius = R= 100 mm
E=240 GPa and I = 65.0(106) mm* (Figure 1) Figure 10 kN 3 kN/m -3 m 1 of 1 Part A Determine the slope of end A of the cantilevered beam Express your answer to three significant figures and include the appropriate units. μÀ ja Xb Xa X.10 A=1.44110-5 10 5 rad Submit Previous Answers Request Answer Return to Assignment X Incorrect; Try Again; 3 attempts remaining X Provide Feedback ? TODO
Part A The built-up beam in (Figure 1) is subjected to an internal moment of M = 50 kN · m Determine the amount of this internal moment resisted by plate A. Express your answer to three significant figures and include appropriate units. НА ? ха х.10п Figure < 1 of 1 M= 32.9466 KN • m 150 mm 9 The unit you entered is not recognized. Review a list of acceptable units. No credit lost. Try again. 20 mm 150 mm 150 mm 10 mm Submit Previous Answers Request Answer M Provide Feedback 10 mm 300 mm
The beam in (Figure 1) is made from three boards nailed together as shown. Figure d 20 mm 25 mm ✓ 200 mm M 150 mm 2 20 mm 1 of 1 Part A If the moment acting on the cross section is M = 460 Nm, determine the resultant force the bending stress produces on the top board. Express your answer to three significant figures and include appropriate units. F = Value Submit μA Provide Feedback 3 Request Answer Units ?
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-