Advertisements
Advertisements
प्रश्न
A metal solid cylinder tied to a thread is hanging from the hook of a spring balance. The cylinder is gradually immersed into the water contained in a jar. What changes do you expect in the readings of the spring balance? Explain your answer.
Advertisements
उत्तर
The readings in the spring balance decreases.
As the cylinder is immersed in the jar of water, an upward force acts on it, which is in opposition to the weight component of the cylinder. Hence the cylinder appears to be lighter.
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false :
The buoyant force depends on the nature of object immersed in the liquid
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
A piece of wood floats on water. The buoyant force on wood will be
The weight of a body is more than the buoyant force experienced by it, due to a liquid. The body will
What physical quantity is measured in bar?
Write an expression for the pressure at a point inside a liquid. Explain the meaning of the symbols used.
Complete the following sentence :
Pressure at a point inside the liquid is ...................... To its depth.
What is meant by the term buoyancy?
Describe an experiment to show that a body immersed in a liquid appears lighter than it really is.
Calculate the hydrostatic pressure exerted by water at the bottom of a beaker. Take the depth of water as 40 cm, the density of water 1000 kgm−3 and g = 9.8 ms−2.
