Question

Question 9
[5]
(a) At what depth below the surface of water will pressure be equal to twice the atmospheric pressure?
The atmospheric pressure is 10 N/cm", Density of water 109kg/m and g = 9.8 m/s2
(b) In a hydraulic machine, a force of 2N is applied on the piston of area of cross section 10 cm?.
What force is obtained on its piston of area of cross section 100 cm2.​

Answer 1

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