The principal strains at a point on the aluminum fuselage of a jet aircraft are
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Statics and Mechanics of Materials (5th Edition)
- The material is subjected to biaxial loading producing uniform normal stress x and y as shown. The strains are Strainx=−0.00065 and Strainy=−0.00040. Use E=30×106 psi and v=0.30. Determine the following: (a) stress at x. Indicate tension or compression. Use 2 decimal places. (b) stress at y. Indicate tension or compression. Use 2 decimal places. (c) Change in the thickness of the material. Indicate elongation or contraction. Use 5 decimal places and scientific notation of ×10−3(Example: _ . _ _ _ _ _ ×10−3)arrow_forward. The normal stresses at a point in a steel member are δx = 8 ksi, δy = -4 ksi and δz = 10 ksi. Using E = 29 x 103 ksi and v = 0.3, determine the normal strains at this point.arrow_forwardIn the following structure if the temperature increases by 20 °C, determine the normal stress in Links (1) and (2). E (GPa) A (mm2) a (1/°C) 11.9x10-6 Link 1 200 310 Link 2 70 620 22.5x106 500mm 350mm B to A 100mm 300mm (2) 6kN 400mmarrow_forward
- The strain at point A on the pressure-vessel wall has components Px = 480(10-6), Py = 720(10-6), gxy =650(10-6). Determine (a) the principal strains at A, in the x9y plane, (b) the maximum shear strain in the x9y plane, and (c) the absolute maximum shear strain.arrow_forward* Your answer is incorrect. A spherical rubber balloon is blown up until its diameter is three times the initial diameter. If E = 10750 psi and v=0.46, determine the stresses in the balloon. Assume the stress-strain behavior is linear. Answer: 0 = 268.75 ksiarrow_forwardCalculate the normal stresses (in Pa) at point A of the bracket caused by the 11023 N force. E4.png 540 mm 180 mm- 1. 180 mm 60 mm → - 4 Your Answer: 6,940,407.40740741arrow_forward
- Q 2: A cantilever beam has the profile shown so that it will provide sufficient clearances for large pulleys mounted on the line shaft its supports. The reaction of the line shaft is a load P-115.33KN. Determine the resultant normal stresses at the wall. 50 mm |20 - 120-arrow_forwardA sheet of steel is stretched biaxially in the xy-plane. The strains in the sheet are described below. Determine the stresses along the x and y axes. Use E=200 GPa and v=0.28 Ex = 0.4 x 10‐³ Ey = 0.3 x 10‐³arrow_forwardPart A Determine the average normal stress developed in the rods AB and AC, 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. JAB=AC = Value Submit Request Answer Part B JAD μA Submit Determine the average normal stress developed in the rod AD. 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. μA Value Units Request Answer Units ? ?arrow_forward
- The solid circular rod has a cross-sectional area of 450 mm². It is subjected to a uniform axial distributed loading along its length of w= 11 kN/m. Two concentrated loads also act on the rod: P = 2 kN and Q = 2 kN. Determine the normal stress in the rod at x = 0.8 m. Assume a = 0.4 m and b = 1.1 m. A →x a Answer: 0 = i B W P -- b MPaarrow_forwardThe solid circular rod has a cross-sectional area of 310 mm2. It is subjected to a uniform axial distributed loading along its length of w = 10 kN/m. Two concentrated loads also act on the rod: P = 4 kN and Q = 2 kN. Determine the normal stress in the rod at x = 0.2 m. Assume a = 0.6 m and b = 1.3 m. >P → → → → -> B A |C a b Answer: 0 = i MPaarrow_forwardThe strain at point A on the bracket has components P x = 300(10-6 ), Py = 550(10-6 ), gxy = -650(10-6 ), P z = 0. Determine (a) the principal strains at A in the x9y plane, (b) the maximum shear strain in the x–y plane, and (c) the absolute maximum shear strain.arrow_forward
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