Advertisements
Advertisements
प्रश्न
How much pressure do we carry on our heads? why don't we feel it?
Advertisements
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
What force acting on an area of 0.5 m2 will produce a pressure of 500 Pa ?
Gases exert pressure in all directions.
Describe a suitable experiment to demonstrate that a liquid exerts pressure sideways also?
State two factors on which the pressure at a point in a liquid depends.
A dam has broader walls at the bottom than at the top. Give a reason.
Name two common fluids.
The air pressure on our body is equal to ______ pressure.
Liquid pressure decreases with the decrease of depth.
The pressure in a liquid is the same at all depths.
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.
