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WorksheetsArchimedes' Principle
Total questions: 35
Worksheet time: 28mins
Which of the following ratio defines density?
Mass / Volume
Volume / Mass
Mass / Area
Area / Mass
What is considered as a reference to calculate relative density?
Density of water at 100 °C
Density of water at 4 °C
Density of water at 0 °C
Density of water at 10 °C
What is the unit of buoyant force?
metre
newton metre
newton
newton per metre
Which condition is termed as negative buoyancy?
When a body floats in a fluid
When a body sinks in a fluid
When a body hovers inside the fluid
None of these
The relative density of water is ____________.
1 gm/cm3
1
1000kg/m3
100
Which of the following indicates how compact an object is?
Density
Buoyancy
Weight
None of these
The density of water at 4 °C is ____________ g / cm3.
1000
100
1
1.1
What is the unit of relative density?
N / m2
N / m3
kg / m2
It has no unit
Which of the following states of an element is the least dense?
Solid
Liquid
Gas
Cannot be said
What is the upward force acting on a body immersed in a fluid known as?
Weight
Buoyant force
Friction force
None of these
Which of the following will be as same as the magnitude of buoyant force?
The mass of the object immersed in the fluid
The weight of the total fluid in the vessel
The weight of the fluid displaced by the object
The mass of the object
In which of the following cases, will the body float on a given liquid?
Weight of the object > magnitude of the effect of buoyant force
Weight of the object < magnitude of the effect of buoyant force
Weight of the object = magnitude of the effect of buoyant force
None of these
Which branch of physics deals with the interaction between fluids and an object or a body?
Statistical mechanics
Quantum mechanics
Fluid mechanics
Thermodynamics
Which of the following has the SI unit — newton?
Buoyancy
Density
Relative density
Volume
Which of the following cases indicates neutral buoyancy?
An object floats on a liquid
An object sinks in a liquid
An object hovers inside a liquid
None of these
Which of the following is not a type of Buoyancy?
Positive
Negative
Central
Neutral
Which of the following conditions indicates negative buoyancy?
Weight of object > Buoyant Force
Weight of object < Buoyant Force
Weight of object = Buoyant Force
None of these
Which of the following is used to represent density?
λ
μ
ρ
γ
Which of the following force acts against buoyancy?
Weight of an object
Upthrust by a liquid
Pressure of object on a liquid
None of these
What is the relative density of an object with a density of 15200 kg / m3 with respect to water?
15.2 kg / m3
152 kg / m3
15.2
15200
Which of the following states that the buoyant force acting on an object is equal to the weight of the fluid
displaced by the object?
Archimedes’ principle
Pascal’s law
Laws of thermodynamics
None of these
Which of the following watercraft is designed to float as well as sink?
A ship
A submarine
A boat
None of these
When can the laws of floatation not be applied?
If the mass of on object is very less
If the fluid is not enough
If the gravitation acceleration is zero
They are always applicable
Which of the following can be termed as a fluid?
Water
Ice
Vapour
Both water and vapour
Which of the following is a scalar quantity?
Weight
Density
Buoyancy
All of these
What is the SI unit of Density?
N / m2
N / m3
kg / m2
kg / m3
What is the upward force faced by a body inside a fluid known as?
Buoyant Force
Buoyancy
Up thrust
All of these
Which of the following is true for an object floating in equilibrium on a fluid?
Weight of the object is more than the buoyancy
Weight of the object is equal to the buoyancy
Weight of the object is less than the buoyancy
Cannot be said
The buoyant force exerted by a fluid on an object does not depend on which of the following quantities?
Density of the fluid
Volume of the fluid displaced
Gravitational acceleration
Volume of the object
Which of the following quantities can be determined through Archimedes’ Principle?
Work done
Relative density
Speed
Pressure
What will be the magnitude of the resultant force acting in horizontal directions, opposite to each other, and
with the magnitudes of 5 N and 10 N, respectively?
5 N
15 N
Incomplete information
None of these
Which of the following is used to determine the conditions of floatation of an object?
Archimedes’ Principle
Pascal’s law
Both Archimedes' Principle and Pascal's law
None of these
Which of the following is correct for an object that is fully submerged in a fluid?
Volume of the object = Volume of the fluid displaced
Weight of the object = Weight of the fluid displaced
Mass of the object = Mass of the fluid displaced
All of these are correct
What will be the density of an object with a mass of 5 kg and a volume of 1000 cm3?
5000 kg / m3
5 kg / m3
0.05 kg / cm3
Both 5000 kg / m3 and 0.05 kg / cm3
What is the relative density of water at 4 °C with respect to a fluid with a density of 2000 kg / m3?
1
0.5
2
5
