Advertisements
Advertisements
Question
Name two factors on which the pressure on a surface depends.
Advertisements
Solution
Factors affecting the pressure :
(i) The surface area (A) on which thrust acts. More area, lesser is pressure. (Area)
(ii) The magnitude of thrust (F) acting on the surface. (Force)
`because "P" = "Thrust"/"Area" = "F"/"A"`
More thrust more is pressure.
APPEARS IN
RELATED QUESTIONS
Two vessels have the same base area but different shapes. The first vessel takes twice the volume of water that the second vessel requires to fill up to a particular common height. Is the force exerted by the water on the base of the vessel the same in the two cases? If so, why do the vessels filled with water to that same height give different readings on a weighing scale?
For a given thrust, pressure is more on a surface of large j area.
A sharp pin works better than a blunt pin. Explain the reason.
Consider the situation of the previous problem. Let the water push the left wall by a force F1 and the right wall by a force F2.
At higher altitudes, atmospheric pressure is ______.
It is easy to compress a gas whereas liquids are ______.
Upthrust = weight of the fluid displaced – apparent weight of the object.
What happens when pressure is increased in solids?
Define thrust.
The force exerted by liquid perpendicular to the surface of the body is equal to the product of ______ at that point.
