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प्रश्न
Do all liquids exert pressure?
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उत्तर
Yes, all liquid exert pressure.
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संबंधित प्रश्न
A force of 50 kgf is applied to the smaller piston of a hydraulic machine. Neglecting friction, find the force exerted on the large piston, if the diameters of the pistons are 5 cm and 25 cm respectively.
Select the correct option.
Pressure applied in liquids is transmitted with undiminished force
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)
Name three applications of Pascal's law.
What are the factors on which the pressure of a liquid depends?
State two uses of a hydraulic press.
Analogy
Pascal’s law: ______:: Surface tensin: ______.
Match the following:
| 1. | Hydraulic press | a. | Archimedes |
| 2. | Cartesian Diver | b. | Floatation |
| 3. | Hydrostatic Balance | c. | Pascal’s law |
| 4. | Hydrometer | d. | Buoyancy |
A hydraulic press can lift 100 kg when a mass 'm' is placed on the smaller piston. It can lift ______ kg when the diameter of the larger piston is increased by 4 times and that of the smaller piston is decreased by 4 times keeping the same mass 'm' on the smaller piston.
