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प्रश्न
Explain the principle of a hydraulic machine. Name two devices which work on this principle.
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उत्तर
The principle of a hydraulic machine is that a small force applied on a smaller piston is transmitted to produce a large force on the bigger piston.
Hydraulic press and hydraulic brakes work on this principle.
संबंधित प्रश्न
State Pascal's law of transmission of pressure.
Name two applications of Pascal's law.
Name and state the principle on which a hydraulic press works. Write one use of hydraulic press.
Select the correct option.
One Pascal is equal to
At a given place, a barometer records 70 cm of Hg. If the mercury in the barometer is replaced by water, what would be resulting in reading? (Density of Hg = 13600 kg/m3; Density of water = 1000 kg/m3)
P is the pressure at some point in a liquid. State whether pressure P is a scalar or vector quantity.
What are the factors on which the pressure of a liquid depends?
Pascal’s law is used in
State Pascal’s law.
