Related Questions

A floating/submerged body is always stable, if its centre of gravity
A Lies above its centre of buoyancy
B And centre of buoyancy coincide
C Lies below its centre of buoyancy
D Lies above its meta centre
A freely floating object is stable, if its centre of buoyancy
A Coincides with its centre of gravity
B Lies below its centre of gravity
C Lies below its metacentre
D None of these
Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of
A Powder & grannular solids
B Liquids
C Low melting point semi-solids
D All of the above
A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body and S = Sum of the squares of the two semi-axes.)
A $$\frac{{{\text{MS}}}}{3}$$
B $$\frac{{{\text{MS}}}}{4}$$
C $$\frac{{{\text{MS}}}}{5}$$
D None of these
The force of buoyancy is always __________ the weight of the liquid displaced by the body.
A Equal to
B Less than
C More than
D None of these
The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced.
A Equal to
B Less than
C More than
D None of these
The body will float if the force of buoyancy is __________ the weight of the liquid displaced.
A Equal to
B Less than
C More than
D None of these
The curve of metacentre for a floating body __________ the curve of buoyancy.
A Is always below
B Is the evolute of
C Intersects at right angle
D Is tangential to
A floating body is said to be in a state of stable equilibrium
A when its metacentric height is zero
B when the metacentre is above the centre of gravity
C when the metacentre is below the centre of gravity
D only when its centre of gravity is below its centre of buoyancy
The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called
A Up-thrust
B Reaction
C Buoyancy
D Metacentre

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