मराठी

66640 Pa Pressure is Exerted by 0.50 M Vertical Column of a Liquid. If G = 9.8 Nkg−1, Calculate the Density of the Liquid.

Advertisements
Advertisements

प्रश्न

66640 Pa pressure is exerted by 0.50 m vertical column of a liquid. If g = 9.8 Nkg−1, calculate the density of the liquid.

संख्यात्मक
Advertisements

उत्तर

Pressure + P = 66640 Pa 
Vertical length of liquid column = h = 0.50 m
Acceleration due to gravity g = 9.8 ms−2
ρ = `66640/(0.50xx9.8)`
ρ = 13600 kgm−3

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Pressure in Fluids - Practice Problems 2

संबंधित प्रश्‍न

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 two applications of Pascal's law.


Explain the principle of a hydraulic machine. Name two devices which work on this principle.


What force is applied on a piston of area of cross section 2 cm2 to obtain a force 150 N on the piston of area of cross section 12 cm2 in a hydraulic machine?


The area of cross-sections of the pump plunger and press plunger of a hydraulic press is 0.02 m2 and 8 m2 respectively. If the hydraulic press overcomes a load of 800 kgf, calculate the force acting on the pump plunger.


Select the correct option.

One Pascal is equal to


Select the correct option.

Pressure at a point inside a liquid does not depend on


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:


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.


Consider a water tank shown in the figure. It has one wall at x = L and can be taken to be very wide in the z direction. When filled with a liquid of surface tension S and density ρ, the liquid surface makes angle θ(θ << 1) with the x-axis at x = L. If y(x) is the height of the surface then the equation for y(x) is:

(take θ(x) = sin θ(x) = tan θ(x) = `dy/dx`, g is the acceleration due to gravity)


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×