1
In a hydraulic press, if the radius of the large piston is 4 times that of the small piston, the mechanical advantage is:
Interpretation, solution and typical proof: The typical answer is: 4
PhysicsEgyptian Curriculum 2026/2027 · lessons, smart notes, ministry quizzes
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Lesson 2 - Manometer, Barometer, Pascal Principle and Hydraulic Press/
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Interactive Quiz and Assessment: Lesson 2 - Manometer, Barometer, Pascal Principle and Hydraulic Press
2
A mercury manometer connected to a gas tank shows the mercury level in the free arm is 4 cm higher than the gas arm (Pa = 76 cm Hg). The gas pressure is:
Interpretation, solution and typical proof: The typical answer is: 72 cm Hg
3
A U-tube contains water (ρ = 1000 kg/m³) and oil (ρ = 800 kg/m³). If the oil column height above the interface is 10 cm, the balancing water column height is:
Interpretation, solution and typical proof: The typical answer is: 8 cm
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