Question on: JAMB Physics - 1995
A hydraulic press has a large circular piston of radius 0.8m and a circular plunger of radius 0.2m. A force of 500N is exerted by the plunger. Find the force exerted on the piston
A
8000N
B
4000N
C
2000N
D
31N
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Correct Option: D
Pressure on piston = pressure on the plunger
\(\frac{520}{\pi\ \times\ 0.8 \times\ 0.8}\) = \(\frac{F}{\pi\ \times\ 0.2 \times\ 0.2}\)
F = 31N
\(\frac{520}{\pi\ \times\ 0.8 \times\ 0.8}\) = \(\frac{F}{\pi\ \times\ 0.2 \times\ 0.2}\)
F = 31N
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