Given  a press machine                                                         ( 23 min )  The Ram has to raise  a load F2  = 10 kN  The stroke of the plunger effort is 30 cm  The diameter of the plunger DP = 10 cm   ( effort piston )  The ram diameter DR = 1 m    ( load  piston )  Find :  ( show  detailed calculations     formulas and steps not  only answers )  a- the force F1 exerted on the plunger  b- The number of strokes needed to raise the load by a distance of 10 cm

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A: The pressure exerted on the gauge is P=ρgh

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Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.