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Look at the attached question, thanks. (final answers provided)

A screw clamp similar to the one shown in the figure has a handle with diameter 3/16 in made of cold-drawn AISI 1006 steel. The overall length is 4.25 in (not needed) The screw is 3/4 in-10 UNC and is 8 in long. Distance A is 3 in. The length of the handle is 4.1875 in (not needed) The clamp will accommodate parts up to 6 in high. The screw has a square profile. a) b) What screw torque will cause the handle to yield? (26.5 lb-in) What is the maximum clamping force (leading to handle yielding) if the collar friction is neglected and if the thread friction is 0.15? (390 lbs) Problem 8-7

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