Physics
The weight of a body is more than the buoyant force experienced by it, due to a liquid. The body will:
- sink
- float with its some part outside the liquid.
- float just below the surface of liquid.
- float with whole of its volume above the surface of liquid.
Related Questions
The correct statement is:
- The buoyant force on a body is equal to the volume of the liquid displaced by it.
- The buoyant force on a body is equal to the volume of the body.
- The buoyant force on a body is equal to the weight of the liquid displaced by it.
- The buoyant force on a body is always equal to the weight of the body.
A piece of wood floats on water. The buoyant force on wood will be:
- zero
- more than the weight of the wood piece.
- equal to the weight of the wood piece.
- less than the weight of the wood piece.
Assertion (A) : In order to come to surface of water, whales fill their swim bladder with water.
Reason (R) : A body floats when the density of the body is less than the density of the liquid.
- Both A and R are true and R is the correct explanation of A
- Both A and R are true and R is not the correct explanation of A
- Assertion is true but reason is false
- Assertion is false but reason is true
Fill in the blanks:
(a) 1 kg is the mass of …………… mL of water at 4°C.
(b) Mass = density x …………… .
(c) The S.I. unit of density is …………… .
(d) Density of water is …………… kg m-3.
(e) 1 g cm-3 = …………… kg m-3.
(f) The density of a body which sinks in water is …………… than 1000 kg m-3.
(g) A body sinks in a liquid A, but floats in a liquid B. The density of liquid A is …………… than the density of liquid B.
(h) A body X sinks in water, but a body Y floats on water. The density of the body X is …………… than the density of body Y.
(i) The buoyant force experienced by a body when floating in salt-water is …………… that when floating in pure water.
(j) The weight of a body floating in a liquid is …………… .