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प्रश्न
The density of brass is 8.4 g cm-3. What do you mean by this statement?
उत्तर
This statement means one cubic centimetre volume of brass has mass of 8.4 g.
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संबंधित प्रश्न
Name the force which makes heavy objects appear light when immersed in a liquid.
For a floating body, how is its weight related to the buoyant force?
Why is the tip of an allpin made sharp?
Complete the following sentence :
Pressure is .................... in all directions about a point in a liquid.
The S.I. unit of pressure is :
Why is a force needed to keep a block of wood inside water?
Prove that the loss in weight of a body when immersed wholly or partially in a liquid is equal to the buoyant force (or upthrust) and this loss is because of the difference in pressure exerted by liquid on the upper and lower surfaces of the submerged part of body.
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).
What is the centre of buoyancy? State its position for a floating body with respect to the centre of gravity of the body.
The point at which the force of buoyancy is supposed to act is known as ______.
