resses snow gure act at a polnt in Dody. sumestress magnitudes of Sx= 7300 psi, Sy = 1200psi, and p Determine the normal and shear stresses at this point on the inclined plane shown. Sx Answers: On = i psi Tnt = i psi
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- QUESTION 4: Draw the three Mohr's circles that describe the following state of stress. Determine the principal stresses, show their orientations and determine the absolute maximum shear stress. 80 MPa 90 MPaYour answer is partially correct. Determine the absolute maximum shear stress for each of the following plane stress states for which the principal stresses are given. (a) op1 = 2780 psi, o,2 = -2440 psi, op3 = 0 (b) Op1 = 58 MPa, Op2 = 35 MPa, Op3 = 0 Answer: (a) Tabs max psi 1390 (b) Tabs max MPa 29Problem 3 A block with a weight W hangs from a pin at A. Support bars AB and AC are pinned to the support at B and C. Bar AB has a cross-sectional area of 750mm2 and 500mm2 for bar AC. Neglecting the weights of the bars, determine the maximum safe value of W if the stress in bar AB is limited to 100MPa and that in bar AC to 125MPa. 40 A
- A square post with a tubular cross section is loaded as shown in the figure below. a) Determine the state of the stress at point A having sides parallel to x and y axes. b) Determine the principal planes and principal stresses at point A at the base of the post.A horizontal load Pof magnitude 96 kN is applied to the beam shown. Determine the largest distance a for which the maximum tensile stress in the beam does not exceed 75 MPa. 20 mm 20 mm P. 20 mm 60 mm 20 mm The largest distance a is mm.Determine the stress at locations A, B, C, D, E and F (Figure 2). Show step by step
- Two vertical forces, each of magnitude P= 8 kN, are applied to a beam of the cross section shown. Determine the maximum tensile and compressive stresses in portion BC of the beam. 10 mm 10 mm 50 mm- 50 mm 10 mm The maximum tensile stress is The maximum compressive stress is T B 150 mm MPa. 250 mm MPa. C 150 mmThe stresses shown act at a point in a stressed body. The stress magnitudes are S, = 2000 psi, Sy = 1600 psi, and Sy = 2700 psi, acting in the directions indicated in the figure. Determine the normal and shear stresses at this point on the inclined plane shown. Assume B = 53. S, Sy Sx Answer: Sn psi i = Snt= i psiA horizontal load P of magnitude 97 kN is applied to the beam shown. Determine the largest distance a for which the maximum tensile stress in the beam does not exceed 75 MPa. 20 mm 20 mm 20 mm y P O 60 mm 20 mm The largest distance a is mm.
- At a point, the normal and shear stresses acting on one plane are 8,000 psf compression and 2,000 psf, respectively. On a perpendicular plane, the normal and shear stresses are 2,000 psf compression and 2,000 psf, respectively. (a) Draw the Mohr’s circle. (b) Determine the value of the principal stresses. (c) Find the angle between the plane on which the 8,000 psi compressive stress acts and the major principal plane. (d) What is the maximum shear stress acting at the point?The stresses shown act at a point in a stressed body. The stress magnitudes are Sx = 2200 psi, Sy = 2000 psi, and Sy = 3400 psi, acting in the directions indicated in the figure. Determine the normal and shear stresses at this point on the inclined plane shown. Assume ß = 46°. Sxy S. Answer: Sn i psi Snt = psiA paper tube is formed by rolling a cardboard strip in a spiral and then gluing the edges together as shown in (Figure 1). The paper is 1.9 mm thick and the tube has an outer diameter of 100 mm. Figure 200 N 40° 100 mm 1 of 1 200 N Determine the shear stress acting along the seam, which is at 50° from the horizontal, when the tube is subjected to an axial compressive force of 200 N. Express your answer to three significant figures and include appropriate units. ■μÅ Ta'y' = 316.39 kPa Submit Previous Answers Request Answer Provide Feedback ? X Incorrect; Try Again; 9 attempts remaining