Determine the Poisson's ratio if the lateral strain is -0.1 and longitudinal strain is 0.4 Select one: O a. -4 b. 0.25 C. -0.25 d. 4
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- An element of material in plain strain has the following strains: x = 0.001 and y = 0.0015. (a) Determine the strains for an element oriented at an angle = 250. (b) Find the principal strains of the element. Confirm the solution using Mohr’s circle for plane strain.An element of material in plain strain is subjected to shear strain xy = 0.0003. (a) Determine the strains for an element oriented at an angle = 30°. (b) Determine the principal strains of the clement. Confirm the solution using Mohr’s circle for plane strain.- 7.2-26 The strains on the surface of an experiment al device made of pure aluminum (E = 70 GPa. v = 0.33) and tested in a space shuttle were measured by means of strain gages. The gages were oriented as shown in the figure. and the measured strains were = 1100 X 106, h = 1496 X 10.6, and = 39.44 X l0_. What is the stress o in the x direction?
- A solid spherical ball of magnesium alloy (E = 6.5 × l0-6 psi, v = 0.35) is lowered into the ocean to a depth of 8000 ft. The diameter of the ball is 9.0 in. (a) Determine the decrease ?d in diameter, the decrease, ?V in volume, and the strain energy U of the ball. (b) At what depth will the volume change be equal to 0.0324% of the original volume?The average normal strain and half the maximum in-planeshear strain is determined from the circle as the coordinates. True or false?In uniaxial loading the poisson's ratio is 0.30 and the strain in the x- direction is 250 x 10^-6 . What is the strain in the z- direction? a. -7.5 x 10^-5 b. 9.5 x 10^-5 c. -8.5 x 10^-5 d. 7.5 x 10^-5 Show the answer with complete solution
- The state of plane strain at a point has strain components of Px = -400(10-6), P y = 200(10-6), and gxy = 150(10-6), Fig. a. Determine the maximum in-plane shear strain and the absolute maximum shear strain.The 60o strain rosette is mounted on a beam. The following readings are obtained for each gage: ϵa = 650(10-6), ϵb = -550(10-6), and ϵc =470(10‑6). Determine (a) the in-plane principal strains and (b) maximum in plane shear strain.A 20-mm diameter steel rod, 250 mm long is subjected to a tensile force of 75 kN. If the Poisson’s ratio μ is 0.30, determine the lateral strain of the rod. Use E = 200 GPa. Ans; Ey= -3.581x10^-4mm/mm
- Determine the natural strain at point B for the given figure,i need correct solution ASAP5 decimal places Determine the total strain (mm/mm) of a 2.64-m bar with a diameter of 21 mm subjected to a tensile force of 71 kN at a temperature increase of 49 C°. Consider the α=27.3 µm/mC° and E = 122 GPa.A material is subjected to two mutually perpendicular strains ex=350x10-6, ey=50x10-6 with unknown shear strain. If the principal strain in the material is 420x10-6. Determine (A) unknown shear strain (B) the other principal strain (C) the direction of principal strains (D) the magnitude of the principal stresses E=200GN/m2 and poison's ratio is 0.3