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प्रश्न
State Pascal’s law.
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उत्तर
Pascal’s law states that an increase in pressure at any point inside a liquid at rest is transmitted equally and without any change, in all directions to every other point in the liquid.
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संबंधित प्रश्न
Name two applications of Pascal's law.
Explain the principle of a hydraulic machine. Name two devices which work on this principle.
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.
The pressure in the water pipe on the ground floor of a building is 40000 pascals, whereas on the first floor it’s 10000 pascals. Find the height of the first floor. (Acceleration due to gravity g = 10 ms−2)
Define the SI unit of pressure.
P is the pressure at some point in a liquid. State whether pressure P is a scalar or vector quantity.
State Pascal's law.
Do all liquids exert pressure?
State and explain Pascal's law of transmission of pressure.
Analogy
Pascal’s law: ______:: Surface tensin: ______.
