Advertisements
Advertisements
प्रश्न
Explain the principle of a hydraulic machine. Name two devices which work on this principle.
Advertisements
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
Draw a simple diagram of a hydraulic jack and explain its working.
Explain the working of a hydraulic brake with a simple labelled diagram.
Select the correct option.
A dam for water reservoir is built thicker at the bottom than at the top because
Select the correct option.
Pressure at a point inside a liquid does not depend on
Do all liquids exert pressure?
For what purpose is the acid battery hydrometer used?
Analogy
Pascal’s law: ______:: Surface tensin: ______.
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:
