Advertisements
Advertisements
Question
A dam has broader walls at the bottom than at the top. Give a reason.
Solution
To withstand the greater pressure of water which increases with increase in depth.
APPEARS IN
RELATED QUESTIONS
Fill in the blank with suitable word :
In fluids (liquids and gases), pressure acts in....................directions, and pressure.................as the depth increases.
What are fluids ? Name two common fluids.
Pressure in a liquid ................with the depth.
Describe an experiment to show that a liquid exerts pressure at the bottom of the container in which it is kept.
Describe a suitable experiment to demonstrate that a liquid exerts pressure sideways also?
Describe a simple experiment to show that at a given depth, a liquid exerts same pressure in all directions.
The pressure of a liquid column ______ with the depth of the column.
The pressure in a liquid is the same at all depths.
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.
