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JAMB Physics 2010 Question 12

Question 12

Pressure

In a hydraulic press, the pump piston exerts a pressure of 100 Pa on the liquid. What force is exerted in the second piston of cross-sectional area 3 m2?

  1. A.200 N
  2. B.100 N
  3. C.150 N
  4. D.300 N
Show the answer and explanation

Answer: D (300 N)

Explanation

Pressure is transmitted equally through the liquid, so F = pA = 100 × 3 = 300 N.