Question: The Charpy Impact test is used in materials testing to determine the energy absorption characteristics of a material during impact. This test is performed

The Charpy Impact test is used in materials testing to determine the

The Charpy Impact test is used in materials testing to determine the energy absorption characteristics of a material during impact. This test is performed by releasing a 60 lb pendulum and allowing it to strike specimen at 5 (0 = 45 degrees). The pendulum has a mass moment of inertia la = 9.43 slug-ft about pin A. Find the reactive forces A, and A: A) Just after pendulum is released B) Just before pendulum strikes specimen HINT: You must use kinematic relation wdw = ade as a 4th equation Ans: part A: Part B FM A = 42.4 lb A = 9.97 lb A = 103.4 lb A = 0.0 lb 135 2

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