A 36814 lb force is applied to a surface that measures 94 in long and 19 in wide

Question

A 36814 lb force is applied to a surface that measures 94 in long and 19 in wide. Determine the pressure exerted on the surface by the force in both psi and Pa. 1 Pa 1.45x10-4 psi. psi Pa -14 points My Notes Ask Your Teacher Calculate how much pressure (due to the liquid) would be on a 75 kg person if they were 65 m deep in... a) freshwater. The density of freshwater is 1000 kg/m3, Express your answer in both pascals and atmospheres. 1 atm 1.013x105 Pa. Pa atm b.)...saltwater. The density of saltwater is 1030 kg/m3. Express your answer in both pascals and atmospheres. 1 atm 1.013x105 pa. Pa atm

Explanation / Answer

1st question:

F = 36814 lb

Area A = 94*19 in2 = 1786 in2

We have:

Pressure P = F/A = 36814/1786 = 20.61 psi

In Pa:

P = 20.61/(1.45*10-4) = 1.42 x 105 Pa

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