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  3. assesssment direct shear stress problem 1 based on example 134...

Question: assesssment direct shear stress problem 1 based on example 134...

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ASSESSSMENT DIRECT SHEAR STRESS PROBLEM 1 Based on Example 13.4 (Ozkaya, N., Nordin, M., Goldsheyder, D. & Leger, D., 2012) Figure below illustrates a fixation device consisting of a plate and two screws which can be used to stabilize fractured bones. During a single leg stance, a person can apply his/her entire weight to the ground via a single foot. In such situations, the total weight of the person is applied back on the person through the same foot, which has a compressive effect on the leg, its bones, and joints. In the case of a patient with a fractured leg bone (in this case, the femur), this force is transferred from below to above (distal to proximal) the fracture through the screws of the fixation device. If the diameter of the screws is D 5 mm, the plate dimensions are 20mm width, 60mm long and 1mm thick, and the weight of the patient is W 700 N, determine the following: Center Axis A) B) Free Body Diagram of the Screws (5 pts) Shear Stress of the Screws (5 pts)

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