The pulley arrangement shown is designed for hoisting materials. If BC remains fixed while the plunger P is pushed downward with a speed of 4 ft/s , determine the speed of the load at A.

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Accepted Answer

5 [latex]s_{B}[/latex]+[latex]\left(s_{B}-s_{A}\right)[/latex]=l
6 [latex]s_{B}[/latex]-[latex]s_{A}[/latex]=l
6 [latex]v_{B}[/latex]-[latex]v_{A}[/latex]=0
6(4)=[latex]v_{A}[/latex]
[latex]v_{A}[/latex]=24 ft/s

Question : The pulley arrangement shown is designed for hoisting materi...

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