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

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

1 Answer

Answer :

Archimedes
by

Related questions

According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to (A) The weight of the body (B) More than the weight of the body (C) Less than the weight of the body (D) Weight of the fluid displaced by the body

Description : According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to (A) The weight of the body (B) More than the weight of the body (C) Less than the weight of the body (D) Weight of the fluid displaced by the body

Last Answer : Answer: Option D

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) (C) Principle of floatation (D) Bernoulli's theorem

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Last Answer : Answer: Option B

Archimedes principle states that  a. when a body is inversed in a fluid, the fluid exerts a downward force on the body whose magnitude is equal to the weight of the displaced fluid  b. when a body is inversed in a fluid, the fluid exerts a upward force on the body whose magnitude is equal to the weight of the displaced fluid.  c. when a body is inversed in a fluid, the fluid exerts a downward force on the body whose magnitude is greater than the weight of the displaced fluid.  d. when a body is inversed in a fluid, the fluid exerts a downward force on the body whose magnitude is lower than the weight of the displaced fluid.

Description : Archimedes principle states that  a. when a body is inversed in a fluid, the fluid exerts a downward force on the body whose magnitude is equal to the weight of the displaced fluid  b. ... fluid exerts a downward force on the body whose magnitude is lower than the weight of the displaced fluid.

Last Answer : when a body is inversed in a fluid, the fluid exerts a upward force on the body whose magnitude is equal to the weight of the displaced fluid.

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) Archimedes' principle (D) Bernoulli's theorem

Description : 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) Archimedes' principle (D) Bernoulli's theorem

Last Answer : Answer: Option C

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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Last Answer : Answer: Option C

The resultant upward pressure of the fluid on an immersed body is called (A) Up-thrust (B) Buoyancy (C) Center of pressure (D) All the above are correct

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Last Answer : Answer: Option B

A body partially floats in water when (a) The volume of the displaced liquid is equal to the volume of the body (b) The volume of the displaced liquid is greater than the volume of the body (c) The weight of the displaced water is equal to the weight of the body (d) The weight of the displaced water is greater than the weight of the body

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Last Answer : Ans:(a)

Choose the wrong statement (A) Any weight, floating or immersed in a liquid, is acted upon by a buoyant force (B) Buoyant force is equal to the weight of the liquid displaced (C) The point through which buoyant force acts, is called the center of buoyancy (D) Center of buoyancy is located above the center of gravity of the displaced liquid

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Last Answer : Answer: Option D

For a body floating in water, the apparent weight is equal to - (1) Actual weight of the body (2) Zero (3) Weight of the body minus weight of the liquid (4) Weight of the body plus upward thrust

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Last Answer : (3) Weight of the body minus weight of the liquid

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Last Answer : (4) Upward Thrust Explanation: If there is no gravity, there will not be any upward thrust to keep a liquid buoyant. Whenever a body is placed in a fluid, the fluid applies resultant up ... gravity at the given place. Up thrust increases with increase in acceleration due to gravity and vice versa.

If there were no gravity, which of the following will not be there for a fluid? (1) Viscosity (2) Surface Tension (3) Pressure (4) Upward Thrust

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Last Answer : Upward Thrust

The center of gravity of the volume of the liquid displaced by an immersed body is called (A) Metacentre (B) Center of pressure (C) Center of buoyancy (D) Center of gravity

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Last Answer : Answer: Option C

The centre of gravity of the volume of the liquid displaced by an immersed body is called (A) Centre of gravity (B) Centre of pressure (C) Metacentre (D) Centre of buoyancy

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Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm, when it is completely immersed in water. -Maths 9th

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Last Answer : The amount of water displaced by a solid spherical ball when it is completely immersed in water is equal to its volume. Volume of a sphere of radius r is 34​πr3 As the diameter of the ball is 4.2 cm, its radius r=2.1 cm Hence, volume of water displaced =34​πr3=34​×722​×2.1×2.1×2.1=38.808 cm3

Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm, when it is completely immersed in water. -Maths 9th

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A solid is 40 Newton when immersed totally in a liquid of relative density 0.8. calculate the weight when immersed in water?

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Buoyant force is (A) Resultant force acting on a floating body (B) Equal to the volume of liquid displaced (C) Force necessary to keep a body in equilibrium (D) The resultant force on a body due to the fluid surrounding it

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Last Answer : Answer: Option D

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Last Answer : Answer: Option A

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

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Last Answer : Answer: Option D

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On a rainy day, small oil films on water show brilliant colors'. This is due to A. dispersion B. interference C. diffraction D. Polarization 49.The critical angle for a beam of light passing from water into air is 48.8 °. This means that all light rays with an angle of incidence greater than this angle will be A. absorbed B. totally reflected C. Partially reflected and partially transmitted D. Totally transmitted

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Last Answer : C. Partially reflected and partially transmitted

Deformation drag, which is caused by widespread deformation of fluid around the immersed body(A) Occurs when NReis very small(B) Is primarily a friction drag(C) Is independent of body length(D) Depends mainly on cross-sectional shape

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The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called (A) Newton's law of motion (B) Newton's law of cooling (C) Newton's law of viscosity (D) Newton's law of resistance

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Last Answer : Answer: Option D

Center of buoyancy is the (A) Centroid of the displaced volume of fluid (B) Center of pressure of displaced volume (C) Does not exist (D) None of the above

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"When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change." This is called the (A) Le-Chatelier principle (B) Kopp's rule (C) Law of corresponding state (D) Arrhenius hypothesis

Description : "When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change." This is ... Chatelier principle (B) Kopp's rule (C) Law of corresponding state (D) Arrhenius hypothesis

Last Answer : (A) Le-Chatelier principle

Volume of liquid displaced by a floating body is equivalent to its (A) Own weight (B) Submerged weight (C) Own volume (D) Submerged volume

Description : Volume of liquid displaced by a floating body is equivalent to its (A) Own weight (B) Submerged weight (C) Own volume (D) Submerged volume

Last Answer : (A) Own weight

The buoyant force acting on a floating body is dependent on the (A) Viscosity of the liquid (B) Weight of the liquid displaced (C) Depth of immersion of the body (D) Surface tension of the liquid

Description : The buoyant force acting on a floating body is dependent on the (A) Viscosity of the liquid (B) Weight of the liquid displaced (C) Depth of immersion of the body (D) Surface tension of the liquid

Last Answer : (B) Weight of the liquid displaced

Vane anemometer (A) Is an area meter (B) Is a variable head meter (C) Rotates an element at a speed determined by the velocity of the fluid inwhich the meter is immersed(D) None of these

Description : Vane anemometer (A) Is an area meter (B) Is a variable head meter (C) Rotates an element at a speed determined by the velocity of the fluid inwhich the meter is immersed (D) None of these

Last Answer : (C) Rotates an element at a speed determined by the velocity of the fluid inwhich the meter is immersed

When a body is immersed in a liquid, the force acting on it is – (1) Upthrust (2) Weight (3) Mass (4) Both (1) and (2)

Description : When a body is immersed in a liquid, the force acting on it is – (1) Upthrust (2) Weight (3) Mass (4) Both (1) and (2)

Last Answer : (4) Both (1) and (2) Explanation: According to the Principle of Flotation, when a body is immersed in a fluid, two forces act on it: ( 1) The weight of the body acting vertically downward ... gravity of the fluid displaced, i.e., centre of buoyancy. The upthrust is also termed as buoyant force.

When a body is immersed in a liquid, the force acting on it is (1) Upthrust (2) Weight (3) Mass (4) Both (1) and (2)

Description : When a body is immersed in a liquid, the force acting on it is (1) Upthrust (2) Weight (3) Mass (4) Both (1) and (2)

Last Answer : Both (1) and (2)

A piece of wood is held under water. The up thrust on it will be: (1) equal to the weight of the Wood (2) less than weight of the wood (3) more than weight of the wood (4) Zero

Description : A piece of wood is held under water. The up thrust on it will be: (1) equal to the weight of the Wood (2) less than weight of the wood (3) more than weight of the wood (4) Zero

Last Answer : (2) less than weight of the wood Explanation: According to the Archimedes' principle, a floating object will experience an upthrust force from water, equal to the weight of water displaced (pushed aside ... until it reaches the point where the weight of the water pushed aside equals its own weight.

Two rods, one of copper and other of steel, experience the same up thrust when placed in water. Thus, both have – (1) equal volume (2) equal weight (3) equal density (4) equal mass

Description : Two rods, one of copper and other of steel, experience the same up thrust when placed in water. Thus, both have – (1) equal volume (2) equal weight (3) equal density (4) equal mass

Last Answer : (1) equal volume Explanation: When a body is placed in water, the upthrust or buoyant force acting on it depends upon the following factors: (1) Volume of the body submerged in the liquid - (V), or volume of ... (V); (ft) Density of the liquid - (d); and (Hi) Acceleration due to gravity In-line.

Which statement is true regarding the opposing forces acting on an aeroplane in steady-state level flight? a. Thrust is greater than drag and weight and lift are equal b. These forces are equal c. Thrust is greater than drag and lift is greater than weight d. Thrust is slightly greater than lift, but the drag and weight are equal

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Last Answer : b. These forces are equal

A force applied to a rocket gives it an upward acceleration equal to 2 times the acceleration of gravity. The magnitude of the force is equal to: w) the weight of the rocket x) twice the weight of the rocket y) three times the weight of the rocket z) four times the weight of the rocket

Description : A force applied to a rocket gives it an upward acceleration equal to 2 times the acceleration of gravity. The magnitude of the force is equal to: w) the weight of the rocket x) twice the weight of the rocket y) three times the weight of the rocket z) four times the weight of the rocket

Last Answer : ANSWER: Y -- THREE TIMES THE WEIGHT OF THE ROCKET

What is a upward force exerted on objects in a fluid?

Description : What is a upward force exerted on objects in a fluid?

Last Answer : The upward force exerted on an object in a fluid isbuoyancy.

Upward translocation of fluid in xylem takes place due to

Description : Upward translocation of fluid in xylem takes place due to

Last Answer : Ans. Pull of transpiration stream

Fluid flow in a/an __________ is an example of pressure flow. (A) Partially filled pipeline (B) Pipe (C) Open channel (D) River

Description : Fluid flow in a/an __________ is an example of pressure flow. (A) Partially filled pipeline (B) Pipe (C) Open channel (D) River

Last Answer : (B) Pipe

When a body is placed over a liquid, it will float if (A) Gravitational force is equal to the up-thrust of the liquid (B) Gravitational force is less than the up-thrust of the liquid (C) Gravitational force is more than the up-thrust of the liquid (D) None of the above

Description : When a body is placed over a liquid, it will float if (A) Gravitational force is equal to the up-thrust of the liquid (B) Gravitational force is less than the up-thrust of the liquid (C) Gravitational force is more than the up-thrust of the liquid (D) None of the above

Last Answer : Answer: Option B

When a body is placed over a liquid, it will sink down if (A) Gravitational force is equal to the up-thrust of the liquid (B) Gravitational force is less than the up-thrust of the liquid (C) Gravitational force is more than the up-thrust of the liquid (D) None of the above

Description : When a body is placed over a liquid, it will sink down if (A) Gravitational force is equal to the up-thrust of the liquid (B) Gravitational force is less than the up-thrust of the liquid (C) Gravitational force is more than the up-thrust of the liquid (D) None of the above

Last Answer : Answer: Option C

When a ship floats on water (a) It displaces no water (b) The mass of water displaced is more than the mass of the ship (c) The mass of water displaced is equal to the mass of the ship (d) The mass of water displaced is less than the mass of the ship

Description : When a ship floats on water (a) It displaces no water (b) The mass of water displaced is more than the mass of the ship (c) The mass of water displaced is equal to the mass of the ship (d) The mass of water displaced is less than the mass of the ship

Last Answer : Ans:(c)