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A piece of wood is floating in water kept in a bottle. The bottle is connected to an air pump. Neglect the compressibility of water. When more air is pushed into the bottle from the pump, the piece of wood will float with
Name and state the principle on which a hydraulic press works. Write one use of hydraulic press.
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.
One Pascal is equal to
How does the liquid pressure on a diver change according to the following condition:
When the driver moves horizontally
Do all liquids exert pressure?
State two applications of Pascal's law.
State the principle on which Brahma press depends.
For what purpose is the acid battery hydrometer used?
