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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
Define one pascal (Pa), the S.I. unit of pressure.
In a hydraulic machine, a force of 2 N is applied on the piston of area of cross section 10 cm2. What force is obtained on its piston of area of cross section 100 cm2 ?
Select the correct option.
A dam for water reservoir is built thicker at the bottom than at the top because
Select the correct option.
The pressure exerted by 50 kg (g = 10 m/s−2) on an area of cross-section of 2 m2 is
What is the use of altimeter?
State the principle on which Brahma press depends.
Pascal’s law is used in
Hydraulic lift works under the principle of _______.
State Pascal’s law.
An iceberg of density 700 kg/m3 is floating in the water of density 1000 kg/m3. The percentage of the volume of ice cube outside the water is:
