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प्रश्न
How much pressure do we carry on our heads? why don't we feel it?
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उत्तर
We carry atmospheric pressure of about 105 Pa on our heads. We don't feel it because this atmospheric pressure is balanced by the pressure created by the air and blood inside our body.
संबंधित प्रश्न
Fill in the blank with suitable word :
Force acting on a unit area is called...................
Fill in the blank with suitable word :
In order to sink in a fluid, the density of an object must be .................. than the ................ of the fluid.
Fill in the blank with suitable word :
If the area of a snow shoe is five times....................... than the area of an ordinary shoe, then the pressure of a snow shoe on the snow is five times...............
Pressure in a liquid ................with the depth.
Which of the following liquids has more viscosity?
The pressure of a liquid column ______ with the depth of the column.
Liquid pressure decreases with the decrease of depth.
Water (or) liquids exert pressure on ______.
How will you calculate fluid pressure?
Assertion (A): The force acting on the surface of a liquid at rest, under gravity, in a container is always horizontal.
Reason (R): The forces acting on a fluid at rest have to be normal to the surface.
