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प्रश्न
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उत्तर
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संबंधित प्रश्न
Define one pascal (Pa), the S.I. unit of pressure.
Draw a simple diagram of a hydraulic jack and explain its working.
Explain the working of a hydraulic brake with a simple labelled diagram.
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.
If the mechanical advantage of the handle of the pump plunger is 8, calculate the force applied at the end of the handle of the pump plunger.
Select the correct option.
Pressure applied in liquids is transmitted with undiminished force
Select the correct option.
A dam for water reservoir is built thicker at the bottom than at the top because
The following figure shows a manometer containing a liquid of density p. The limb P of the manometer is connected to a vessel V and the limb Q is open to atmosphere. The difference in the levels of liquid in the two limbs of the manometer is h as shown in the diagram. The atmospheric pressure is P0.
(i) What is the pressure on the liquid surface in the limb Q?
(ii) What is the pressure on the liquid surface in the limb P?
Name three applications of Pascal's law.
What are the factors on which the pressure of a liquid depends?
