3. Calculate the contact stress between a 100-mm- diameter steel ball weighing 500 g sitting on a hardened steel surface plate.

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The element in the image has a horizontal force of 20 N and a vertical force of 25 N. The element was made of a 25.4 mm diameter steel bar. Determine:to. The four states of stress from the farthest place of the forces and obtain the critical point.b. For the critical point, construct the Mohr circle.C. Obtain the maximum principal and normal shear stresses for the critical point.d. The angles at which the maximum normal and shear stresses occur.and. Draw the rotated tension state for the angles obtained and with the corresponding tensions.

A circular rod with a diameter of 40.0 mm has a groove cut to a diameter of 35 mm. A full radius of 3.0 mm is produced at the bottom of the groove. Compute the maximum stress in the rod when an axial tensile force of 46 kN is applied.

) A machine having a mass of 9555 kg is supported by three solid steelrods arranged as showed in the following figure. Each rod has a diameter of 50 mm. Compute the stresses in MPa in the three rods of AB, BC, and BD.

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Three steel plates, each 13 mm thick, welded together and built-inbeam formed. For the installation shown, normal at points “a” and “b”calculate stresses?

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