The property that most determines whether or not an object will float in oil is the object's
weight
density
mass
volume
In the case of a liquid which of the following is correct.
Have a definite shape but have no definite volume
Have no definite shape and no definite volume
Have no definite shape but have a definite volume
Have a definite shape and have a definite volume
What is the specific Gravity of water at 4oC?
1.0×10o
1.0 × 101
1.0 x 102
1.0×103
An object is placed in a fluid. The buoyant force on the object is proportional to
The density of the object.
Density of the fluid
The volume of the object.
Both A and B
The relative density of silver is 10.8. If the density of water be 1.0 x 103 kg m-3,calculate the density of silver in SI units.
10.8 x 103 kg m-3
1.08 x 103 kg m-3
9.2 x 103 kg m-3
none of these
In C.G.S. system, the unit of density is _______________.
pounds / cubic feet
grams / c.c.
kilogram / cubic meter
has no units
An object can float provided its _______ is ________ than the _______ of the liquid.
mass ,less ,mass
mass, greater ,density
density, less,density
density , less ,mass
Why does a duck float?
The weighs less than water.
The duck can swim
The duck has feathers.
The duck has smaller density than water.
A bottle has a mass of 35.00 gm when empty and 98.44 g when filled with water. When filled with another liquid, the mass is 88.78 g. What is the specific gravity of the fluid?
0.90
0.81
0.85
1.18
For a floating body in a liquid, the buoyant force is acting _____________ through the centre of gravity.
vertically upwards
vertically downwards
horizontally
planar