Strategy: 250 N 200 mm 20 mm E 40 mm 50 N 100 mm 160 mm 120 N 300 N PROBLEM 3.124 Four forces are applied to the machine component ABDE as shown. Replace these forces with an equivalent force-couple system at A. Express your answers in Cartesian unit-vector form. Model: Using the given diagram, clearly draw and label any position vectors used in your analysis below. Analysis: Reflect and Think: Do your answers make sense? Explain. Why is your answer considered to be a force-couple system? Grading Criteria: The grading rubric is below. Problem 1 Proficient (3) Strategy Model Includes accurate and complete strategy. Includes accurate and complete model. Emerging (2) Missing a few parts of the strategy and/or a few parts of the strategy are inaccurate. Missing a few parts of the model and/or a few parts of the model are inaccurate. Missing a few parts of the analysis and/or a Needs Improvement (1) Missing many parts of the strategy and/or many parts of the strategy are inaccurate. Missing many parts of the model(s) and/or many parts of the model(s) are inaccurate. Missing many parts of the analysis and/or Not Attempted (0) Not attempted. Not attempted.