Engineering Board Exam Reviewer · Fluid Mechanics · medium
In a hydraulic press, a force of 200 N is applied to a small piston of 25 mm diameter. What load can be lifted by a large piston of 250 mm diameter?
- 2000 N
- 20,000 N
- 200,000 N
- 2.0 N
Answer
B. 20,000 N
Solution
F2 = F1(D2/D1)2 = 200(250/25)2 = 200(100) = 20,000 N.
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