Advertisements
Advertisements
प्रश्न
Define the term ‘pressure’ and state its unit.
Advertisements
उत्तर
PRESSURE : “The thrust on unit area of the surface is called PRESSURE.”
Pressure = Thrust / Area
S.I. unit = Nm-2
APPEARS IN
संबंधित प्रश्न
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.
The unit of thrust is ..........
State the unit of thrust
The pressure in a liquid at two points in the same horizontal plane are equal. Consider an elevator accelerating upward and a car accelerating on a horizontal road. The above statement is correct in
An air bubble of radius 0.2 mm is situated just below the water surface. Calculate the gauge pressure. Surface tension of water = 7.2 × 10−2 N/m.
A drinking straw works on the existence of ______.
Pressure can be increased by decreasing the force.
The shape and size of the solids do not easily change.
Assertion (A): Air gets thinner with increasing altitude.
Reason (R): The atmospheric pressure increases as we go up in mountains.
