Advertisements
Advertisements
प्रश्न
Why is the bottom part of the foundation of a building made wider?
Advertisements
उत्तर
P ∝ 1/A i.e. pressure is inversely proportional to surface Area
Greater the area, lesser is the pressure.
In order that building should exert less pressure, the foundation of the building should have more area or be wider. So that building should not sink into the earth.
APPEARS IN
संबंधित प्रश्न
The unit of thrust is ..........
Pressure is reduced if .................... increases.
The unit of pressure is
It is easier to cut with a sharp knife than with a blunt one. Explain.
The base of a container measures 15 cm × 20 cm. It is placed on a table top. If the weight of the container is 60 N, what is the pressure exerted by the container on the table top?
Consider the statement given below and choose the correct option.
Assertion: Sharp knives are used to cut the vegetables.
Reason: Sharp edges exert more pressure.
An empty plastic bottle closed with an airtight stopper is pushed down into a bucket filled with water. As the bottle is pushed down, there is an increasing force on the bottom. This is because
Fluids in general are ______.
The net force in a particular direction is called ______.
What is the SI unit of pressure?
