A liquid has a specific gravity of 0.357. What is its density?
357 kg/m3
643 kg/m3
1000 kg/m3
3570 kg/m3
A cube has a side of 5 cm. It has a mass of 250 grams. The density of the cube is
50 g/cm3 and will float in water.
2.0 g/cm3 and will float in water
50 g/cm3 and will sink in water
2.0 g/cm3 and will sink in water
The density of water at _________ is 1g/cm3
-4oC
0oC
Room temperature
4oC
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
For a floating body in a liquid, the buoyant force is acting _____________ through the centre of gravity.
vertically upwards
vertically downwards
horizontally
planar
An object can float provided its _______ is ________ than the _______ of the liquid.
mass ,less ,mass
mass, greater ,density
density, less,density
density , less ,mass
If the density of granite is 2.7×103kg/m3, what is the largest possible height for solid cylindrical pillar of radius 25 cm with a mass of 750 kg?
0.35 m
0.71 m
1.4 m
3.1m
The density of a submerged submarine is about the same as the density of
water
a crab
iron
a floating submarine
The property that most determines whether or not an object will float in oil is the object's
weight
density
mass
volume
The buoyant force on an object submerged in a fluid depends on
The object’s density
The fluid’s density
The acceleration due to gravity
Both fluid’s density and acceleration due to gravity