The rectangular plate (LxL) given below is installed between two rigid walls and is deformed as shown by dashed lines. Determine the shear strain , and , at point A. Use the table given below and your student ID to find the values of L, L2, a, and b. L1 a L2 Student a ID (mm) (mm) (mm) (mm)
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- The data in Table 1.5.3 were obtained from a tensile test of a metal specimen with a rectangular cross section of 0.2011in.2 in area and a gage length (the length over which the elongation is measured) of 2.000 inches. The specimen was not loaded to failure. a. Generate a table of stress and strain values. b. Plot these values and draw a best-fit line to obtain a stress-strain curve. c. Determine the modulus of elasticity from the slope of the linear portion of the curve. d. Estimate the value of the proportional limit. e. Use the 0.2 offset method to determine the yield stress.The rectangular plate (L,xL,) given below is installed between two rigid walls and is deformed as shown by dashed lines. Determine the shear strain y and Yxy at point A. Use the table given below and your student ID to find the values of L, L, a, and b. L2 A b. L. b L, (mm) (mm) (mm) 150 200.0 3.0 3.0Shown is a copper bar which has a diameter of 10 mm and loaded by tensile loadP = 0.0137 MN The maximum shear stress in the bar is approximately: Match each item to a choice: Tmax
- Part 2 * Your answer is incorrect. The z-component of momemt M will cause compression at A and B, and tension at C and D. The y-component of moment M will cause compression at A and D, and tension at B and C. The maximum tensile bending stress will occur at point C. Calculate the magnitude of the largest bending moment that can be applied so that the stress at corner C does not exceed 205 MPa. Answer: M- eTextbook and Media Save for Later Part 3 8.31E1 Answer: M-i The z-component of moment M will cause compression at A and B, and tension at C and D. The y-component of moment M will cause compression at A and D, and tension at B and C. The maximum compressive bending stress will occur at point A. Calculate the magnitude of the largest bending moment that can be applied so that the stress at corner A does not exceed 205 MPa. eTextbook and Media Save for Later Part 4 kN-m * Your answer is incorrect. kN-m Submit Answer Determine the maximum bending moment that can be applied to this cross…The screw clamp shown in the figure applies a P = 500 N pressing force to the wooden blocks between the jaws. In this case; a) Calculate the greatest tensile and compressive stresses occurring in the section a-a shown in the figure. b) Show the distribution of normal stresses across the section height. (draw) c) Since the clamp material has tensile strength (apull) safety = 50MPA and compression safe stress (opress) safety = 80MPA, what is the great compressive load (P) that can be applied without damaging the a-a section? %3D %3D (Please solve in detail and according to engineering rules.) Material mechanics Sectional view a-a - 20mm T. 183mm 40mmFor the state of stress shown, determine (a) the principal stresses, (b) the maximum in-shear stress. Sketch such stresses in a two- element format. 60 MPa 90 MPa Lx 30 MPa
- The shown plate is 60 mm thick and it is made of Magnesium Am1004-T61. The plate is fitted between the rigid frictionless supports as shown and at T, = 20°C it is stress free. Find the stresses in the x and y directions when the temperature increases to T, = 58°C. %3D 150 mm 150 mm Select one: O x: 0 MPa, y: 42.864 MPa Ox: 22.1 MPa, y: 44.2 MPa Ox: 0 MPa, y: 44.2 MPa Ox: 0 MPa, y: 17.8 MPa O x: 13.2 MPa, y: 44.2 MPa Ox: 0 MPa, y: 67.4 MPa 3:10 PM O G 4) ENG 1/31/2021Portions of a x-in. square bar have been bent to form the two machine components shown. Knowing that the allowable stress is 18 ksi, determine the maximum load that can be applied to each component. (a) 1 in. (b) The maximum load that can be applied to component (a) is The maximum load that can be applied to component (b) is lb. lb.The rubber band given below is subjected to the following tensile loading. Calculate the minimum thickness of the rubber (tr) and the minimum steel pin diameter (Dpin) so that the structure does not fail. Consider: Allowable tensile strength of the rubber= 20MPa Allowable shear strength of the steel = 200MPa Reflection: 1) How would you solve this problem if a Factor of Safety was given? 2) Are there any other dimensions worth calculating for the rubber belt?
- Two wooden boards are joined by cutting and gluing them together along the plane shownin the illustration. The boards have cross-sectional dimensions of 3.5” by ¾” and are subjectedto an axial tension, P, of 1870 lb.a) Determine the normal and shear stresses acting on the glued joint if = 20o.b) For what joint angle, , will the shear stress on the glued joint be equal (in magnitude) totwice the normal stress on the joint?PROBLEMS: 1. The bolt connection shows 8-22mm diameter bolts in a bolt hole diameter of 25 mm and spaced according to the following: Sı = 40mm T = 16mm S2 = 80mm S3 = 50mm S4 = 100mm te = 12mm Determine the force T if the allowable tensile stress is 200 MPa, the allowable bolt shear stress is 120MPa and the allowable plate bearing stress is 120 MPa. 2. A long retaining wall is braced by wood shores set at ang angle of 30° and supported by concrete thrust blocks as shown. The shores are evenly spaced, 3m apart. For analysis purposes, the wall and shores are idealized on the second image. Note that the base of the wall and both ends of the shores are assumed to be pinned. The pressure of the soil against the wall I assumed to be triangularly distributed, and the resultant force acting on a 3-meter length of the wall is F= 190KN. If each shore has a 150mmx150mm square cross section, what is the compressive stress in the shores? Retaining wall Soil Concrete Shore thrust block 30 30 1,5 m…Determine the a.Stress at 167 kN loadin MPa b.Strain at 167 kN loadin mm/mm(expressed in scientific notation) c.Modulus of elasticityMPa d.Modulus of resiliencein N-mm/mm3 e.Modulus of toughnessin N-mm/mm3