Physics · Fluid Mechanics
A hydraulic press has a ram of 20 cm diameter and a plunger of 4 cm diameter. How much force is required at the plunger to lift a weight of 20 kN at the ram?
- 1500 kN
- 2100 kN
- 30.8 kN✓
- 44 kN
Correct answer
0.8 kN
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