(Solution) - The chain puller is used to draw two ends of -(2025 Original AI-Free Solution)

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Academic Level: Undergrad. (yrs 3-4)

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The chain puller is used to draw two ends of a chain together in order to attach the ?master link.? The device is operated by turning the screw S, which pushes the bar AB downward, thereby drawing the tips C and D towards one another. If the sliding contacts at A and B are smooth, determine the force F maintained by the screw at E which is required to develop a drawing tension T in the chains.

Given:
T =120 lb
? = 60 deg
a = 3 in
b = 1 in