Find the value of strain if stress is 4 N/mm2 and elasticity is 10000 N/mm2
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- The stresses on an element are sx= 1000 Psi. sy= 500 psi, and txy= 350 psi. Find the stresses acting on an element oriented at an angle 0 = 250. Show these stresses on the rotated element..4 The stresses on an clement arc known to be sx= 120 MPa, sy= 100 MPa, and txy= 75 MPa. Find the stresses on an inclined section through the element at an angle ? = 45°.A spherical balloon is filled with a gas. The outer diameter of the balloon is 20 in. and the thickness is 0,012 in. Calculate the maximum permissible pressure in the balloon if the allowable tensile stress and the allowable shear stress in the balloon are 1 ksi and 0.3 ksi, respectively.
- The magnitudes of normal stress on two mutually perpendicular places, at a point in an elastic body are 60 MPa compressive and 80 MPa tensile respectively. Find the magnitude of sheaving stress on these planes if magnitude of one of the principal stresses is 100 MPa tensile. Find also the magnitude of the other principal stress ar this point.If the shear stress in a material is 20 MPa and the corresponding shear strain is 0.0005, calculate the shear modulus of the material.In a stressed element, the value of normal stress along 'X' and 'Y' directions are 100 MPa (tensile) and 50 MPa (tensile) respectively and no shear stress is acting on the plane. Find the Normal stress, if the position of principal plane is 0 to major axis. The normal stress in MPa =
- At a point in a strained material, the intensities of normal stresses on two planes at right angles to each other are 35 N/mm2 and 20 N/ mm2 both tensile. They are accompanied by shear stress of 15 N/ mm2. Find the principal planes and principal stresses. Find also maximum shear stress.Find strainA rosette consisting of 3 gages forming, respectively, angles of θa, θb and θc with the x-axis is attached to the free surface of machine components made of material with a given Poisson’s ratio v and Modulus of elasticity E as shown in Fig. 6. Take note that strain values given above are the gage readings and not principal strains.
- A nylon string has a diameter of 2 mm, pulled by a force of 100 N. Determine the stress.The length of a wire increases from 1.25 m to 1.2508 m when a load of 12 kg is suspended. The radius of the wire is 0.5 mm. Find the stress, strain and young's modulus of material of the wire. Draw a free body diagram.A wire with a Young’s Modulus, E, of 8.5 x 106 N/m2 and an original length of 1.5 mis under tension. If the wire length extension is 2.5 mm, calculate the stress in thewire. Give your answer in N/m2to 2 decimal places.