ex_mid_2_w08_sol - rotation per second). The cam is...

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8 Question 3 (a) A cantilever beam has a square cross section with sides of 20 mm, and is of length 300 mm. The yield strength of the material is 400 MPa, the tensile strength is 600 MPa, and Young's modulus is 120 GPa. Basquin's law for t his material is given by " ar N f 0.12 = 850MPa . The free end of the beam is loaded by a cam that rotates at 1.0 Hz (one
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Unformatted text preview: rotation per second). The cam is circular with a radius of 5.0 mm. The center of the cam is 5.0 mm above the surface of the beam. The cam rotates about an axis perpendicular to the axis of the beam that is located 2.0 mm from the center of the cam, as shown in the figure below. How long will it take for the beam to fail by fatigue? 9...
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ex_mid_2_w08_sol - rotation per second). The cam is...

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