JAMB Physics 2010 Objective — Question 12
Question 12 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2010 Objective paper, with the correct answer and a full explanation.
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12. 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 3m2? A. 200 N B. 100 N C. 150 N D. 300 N
- A. 200 N
- B. 100 N
- C. 150 N
- D. 300 NCorrect
Explanation
In a hydraulic press, the pressure on the two pistons is equal. Thus, the second piston will also experience a pressure of 100Pa. Force = Pressure x Area = (100x3)N = 300N.
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