Question: A coping saw frame shown in Figure P382 is made from SAE 1020 CD steel. A screw thread in the handle draws the blade of

A coping saw frame shown in Figure P3–82 is made from SAE 1020 CD steel. A screw thread in the handle draws the blade of the saw into a tension of 120 N. Determine the resulting design factor based on yield strength in the area of the corner radii of the frame.

Data in Figure P3–82

- r = 22 mm 140 mm 10 mm Cross section of

- r = 22 mm 140 mm 10 mm Cross section of frame I 4 mm 10 mm

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