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प्रश्न
Why does it happen?
The wall of a dam is broad at its base.
उत्तर
We know the pressure of liquid increases with depth. So, the wall of a dam is made broader at its base so that it is able to withstand the heavy pressure exerted by the river water.
संबंधित प्रश्न
Name the quantity whose one of the units is pascal (Pa).
A liquid exerts pressure in all directions.
Pressure exerted by a liquid is due to it
Describe a suitable experiment to demonstrate that a liquid exerts pressure sideways also?
Describe an experiment to show that the liquid pressure at a point increases with the increase in height of the liquid column above that point.
Which fact about liquid pressure does the diagram in fig. illustrate.
Which of the following liquids has more viscosity?
An object is put one by one in three liquids having different densities. The object floats with `1/9, 2/11` and `3/7` parts of their volumes outside the liquid surface in liquids of densities d1, d2 and d3 respectively. Which of the following statement is correct?
All flowing substances such as liquids or gases are called fluids.
Water (or) liquids exert pressure on ______.
