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प्रश्न
How much pressure do we carry on our heads? why don't we feel it?
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 :
In order to sink in a fluid, the density of an object must be .................. than the ................ of the fluid.
Pressure inside a liquid increases with
Describe a simple experiment to show that at a given depth, a liquid exerts same pressure in all directions.
Pressure exerted by a liquid is increased by
The pressure at the bottom of a tank containing liquid does not depend upon the ______.
All flowing substances such as liquids or gases are called fluids.
The pressure in a liquid is the same at all depths.
What is lateral pressure?
Name an instrument used to measure the difference in the liquid 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.
