The jaws-of-life device is utilized by rescuers to pry apart wreckage, thus helping to
Chapter 4, Problem 4/102(choose chapter or problem)
The “jaws-of-life” device is utilized by rescuers to pry apart wreckage, thus helping to free accident victims. If a pressure of \(500 \mathrm{lb} / \mathrm{in} .{ }^2\) is developed behind the piston P of area \(20 \mathrm{in} .{ }^2\), determine the vertical force R which is exerted by the jaw tips on the wreckage for the position shown. Note that link AB and its counterpart are both horizontal in the figure for this position.
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