Advertisements
Advertisements
प्रश्न
What is meant by pressure? State its S.I. unit.
Advertisements
उत्तर
Pressure is the thrust per unit area of the surface.
Its S.I. unit is 'newton per metre2' or 'pascal'.
APPEARS IN
संबंधित प्रश्न
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
Name the S.I. unit of density. How is it related to g Cm-3?
Distinguish between density and relative density.
The diagram given below show a body floating in three different liquids. A, B and C at different levels.
(a) In which liquid does the body experience the greatest buoyant force?
(b) Which liquid has the least density?
(c) Which liquid has the highest density?
The pressure inside a liquid of density p at a depth h is :
How is the upthrust related to the volume of the body submerged in a liquid?
Select the correct option:
When an object sinks in a liquid, its:
The upward force that is caused due to the pressure difference in liquid (or fluid) is called ______.
Assertion (A): The buoyant force on a submerged rigid object can be considered to be acting at the center of mass of the object.
Reason (R): In rigid body, force distributed uniformly through its volume can be considered to be acting at the centre of mass of the body.
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : ______
