A hydraulic press has a large circular piston of radius 0...
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
8000N
4000N
2000N
31N
Correct answer is A
Pressure on piston = pressure on the plunger
500π × 0.2× 0.2 = Fπ × 0.8× 0.8
F = 8000N