According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to

When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

A

Pascal’s law

B

Archimedes’s principle

C

Principle of flotation

D

Bernoulli’s theorem

Which law/principle states that when a body is immersed fully or partially in a fluid, it experiences an upward force that is equal to the weight of the fluid displaced by it?

A

Boyle's Law

B

Charles Law

C

Archimedes Principle

D

Pascal's Law

A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called.

A

Dry dock

B

Wet dock

C

Floating dock

D

Refuge dock

If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will

A

rise until its weight equals the buoyant force

B

tend to move downward and it may finally sink

C

float

D

none of the above

The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)

A

$$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$

B

$$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$

C

$$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$

D

$$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$

The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to

A

Buoyancy

B

Equilibrium of a floating body

C

Archimede's principle

D

Bernoulli's theorem

The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called

A

upthrust

B

reaction

C

buoyancy

D

metacentre

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

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

According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to

Related Questions