Advertisements
Advertisements
प्रश्न
State whether pressure is a scalar or vector?
Advertisements
उत्तर
Pressure is a scalar quantity.
APPEARS IN
संबंधित प्रश्न
What is meant by the term ‘buoyancy’ ?
Why does a block of wood held under water rise to the surface when released ?
The density of a body which sinks in water is ......... than 1000 Kg m-3.
A cork piece floats on water surface while an iron nail sinks in it. Explain the reason.
Why does a piece of ice float on water?
State whether thrust is a scalar or vector?
How does the pressure exerted by a solid and fluid differ?
A hammer exerts a force of 1.5 N on each of the two nails A and B. The area of cross section of tip of nail A is 2 mm2 while that of nail B is 6 mm2. Calculate pressure on each nail in pascal.
A body weighs 450 gf in air and 310 gf when completely immersed in water. Find
(i) The volume of the body,
(ii) The loss in weight of the body, and
(iii) The upthrust on the body.
State the assumption made in part (i).
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : _____.
