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

What is a upward force exerted on objects in a fluid?
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The upward force exerted on an object in a fluid isbuoyancy.
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(5) A 6500-kg helicopter accelerates upward at 0.60 m/s² while lifting a 1200-kg car. (a) What is the lift force exerted by the air on the rotors? (b) What is the tension in the cable (ignore its mass) that connects the car to the helicopter?

Description : (5) A 6500-kg helicopter accelerates upward at 0.60 m/s² while lifting a 1200-kg car. (a) What is the lift force exerted by the air on the rotors? (b) What is the tension in the cable (ignore its mass) that connects the car to the helicopter?

Last Answer : I'll give you some hints: The mass of the helicopter is irrelevant to the solution. All you needs is the mass of the load (the car) and the acceleration to solve the problem. Remember that the ... it. Tension is directly related to force. Now go find the equations in the text, plug and crank.

Rain drops falling through atmospheric air attain limited terminal velocity, because of (A) Upward thrust due to air (B) Viscous force exerted by air (C) Surface tension effects of water (D) Force of gravity

Description : Rain drops falling through atmospheric air attain limited terminal velocity, because of (A) Upward thrust due to air (B) Viscous force exerted by air (C) Surface tension effects of water (D) Force of gravity

Last Answer : Option B

It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of-----? A. An equal and opposite pressure acts from inside (Answer) B. of the height of a man C. of gravity D. Earth pulls the man upward E. None of these

Description : It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of-----? A. An equal and ... B. of the height of a man C. of gravity D. Earth pulls the man upward E. None of these

Last Answer : A. An equal and opposite pressure acts from inside (Answer)

The rate of change of moment of momentum represents the __________ by the fluid. (A) Torque applied (B) Force exerted (C) Work done (D) Power developed

Description : The rate of change of moment of momentum represents the __________ by the fluid. (A) Torque applied (B) Force exerted (C) Work done (D) Power developed

Last Answer : (A) Torque applied

Drag is defined as the force exerted by the (A) Fluid on the solid in a direction opposite to flow (B) Fluid on the solid in the direction of flow (C) Solid on the fluid (D) None of these

Description : Drag is defined as the force exerted by the (A) Fluid on the solid in a direction opposite to flow (B) Fluid on the solid in the direction of flow (C) Solid on the fluid (D) None of these

Last Answer : (B) Fluid on the solid in the direction of flow

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

Description : 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

Last Answer : Answer: Option D

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.

An object is projected vertically upward near the surface of the earth. At the very top of its path, the object's velocity is zero, and its acceleration is: w) 0 x) 9.8 meters per second squared DOWNWARD y) 9.8 meters per second squared UPWARD z) depends on the mass of the object

Description : An object is projected vertically upward near the surface of the earth. At the very top of its path, the object's velocity is zero, and its acceleration is: w) 0 x) 9.8 meters per second squared DOWNWARD y) 9.8 meters per second squared UPWARD z) depends on the mass of the object

Last Answer : ANSWER: X -- 9.8 METERS PER SECOND SQUARED DOWNWARD

If the pressure that is exerted by a moving fluid decreases, its speed does what?

Description : If the pressure that is exerted by a moving fluid decreases, its speed does what?

Last Answer : Antonio its Ryan Rae. TF

Fetal ejection reflex in human female is induced by (a) release of oxytocin from pituitary (b) fully developed fetus and placenta (c) differentiation of mammary glands (d) pressure exerted by amniotic fluid.

Description : Fetal ejection reflex in human female is induced by (a) release of oxytocin from pituitary (b) fully developed fetus and placenta (c) differentiation of mammary glands (d) pressure exerted by amniotic fluid.

Last Answer : (b) fully developed fetus and placenta

__________ is used for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline. (A) Venturimeter (B) Pressure gauge(C) Pitot tube(D) Orificemeter

Description : __________ is used for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline. (A) Venturimeter (B) Pressure gauge (C) Pitot tube (D) Orificemeter

Last Answer : (C) Pitot tube

Oncotic pressure refers to a) the osmotic pressure exerted by proteins. Oncotic pressure is a pulling pressure exerted by proteins, such as albumin. b) the number of dissolved particles contained in a unit of fluid. Osmolality refers to the number of dissolved particles contained in a unit of fluid. c) the excretion of substances such as glucose through increased urine output. Osmotic diuresis occurs when the urine output increases due to excretion of substances such as glucose. d) the amount of pressure needed to stop flow of water by osmosis. Osmotic pressure is the amount of pressure needed to stop the flow of water by osmosis.

Description : Oncotic pressure refers to a) the osmotic pressure exerted by proteins. Oncotic pressure is a pulling pressure exerted by proteins, such as albumin. b) the number of dissolved particles contained in a ... . Osmotic pressure is the amount of pressure needed to stop the flow of water by osmosis.

Last Answer : a) the osmotic pressure exerted by proteins. Oncotic pressure is a pulling pressure exerted by proteins, such as albumin.

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

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

Description : 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

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.

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

Description : 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

Last Answer : Answer: Option C

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 is called (A) Up-thrust (B) Buoyancy (C) Center of pressure (D) All the above are correct

Description : 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

Last Answer : Answer: Option B

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?

Description : 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?

Last Answer : Archimedes

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

Description : 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

Last Answer : Upward Thrust

What would you expect in a graph showing the stiffness of a spring over the force exerted onto it?

Description : What would you expect in a graph showing the stiffness of a spring over the force exerted onto it?

Last Answer : My thoughts, and I'm just assuming, are that the graph would have two axes. One (probably the x-axis) would be the force exerted on the spring, measured in some unit. The other ( ... the force exerted on the spring increases, I think that the stiffness of the spring would change accordingly.

A jet of water of cross-sectional area 20 sq. cm impinges on a plate at an angle of 60? with a velocity of 10 m/sec. Neglecting the friction between the jet and plate (density of water 1000/9.81 kgm-1 sec2 per cubic meter), the force exerted by the jet on the plate would be in the range a.15 - 20 kg b.20 - 25 kg c.5 - 10 kg d.25 - 30 kg e.10 - 15 kg

Description : A jet of water of cross-sectional area 20 sq. cm impinges on a plate at an angle of 60? with a velocity of 10 m/sec. Neglecting the friction between the jet and plate (density of water 1000/9.81 kgm-1 sec2 per cubic meter), the ... a.15 - 20 kg b.20 - 25 kg c.5 - 10 kg d.25 - 30 kg e.10 - 15 kg

Last Answer : a. 15 - 20 kg

A cannon of barrel length 2 m fires a shell of weight 6 kg with a muzzle velocity of 50 m/sec. The force exerted by the gases on the shell would be approximately a.76 t b.19 t c.152 t d.8.5 t e.38 t

Description : A cannon of barrel length 2 m fires a shell of weight 6 kg with a muzzle velocity of 50 m/sec. The force exerted by the gases on the shell would be approximately a.76 t b.19 t c.152 t d.8.5 t e.38 t

Last Answer : e. 38 t

If the force exerted on an object is zero then the object will remain stationary- Explain ?

Description : If the force exerted on an object is zero then the object will remain stationary- Explain ?

Last Answer : Zero force applied to an object means that the value of acceleration in it is zero. And since acceleration is needed to move a stable object, zero value of acceleration means that the object will remain stationary.

How does the size of the force exerted earths gravity on a car compare with size of the force the car exerts on earth?

Description : How does the size of the force exerted earths gravity on a car compare with size of the force the car exerts on earth?

Last Answer : The magnitude of the force is exactly the same (Newton's ThirdLaw).

What force exerted by blood against the walls of blood vessels?

Description : What force exerted by blood against the walls of blood vessels?

Last Answer : What is the answer ?

What Each little bit of matter exerted the force of?

Description : What Each little bit of matter exerted the force of?

Last Answer : Gravity.

If the distance between the earth and the sun were twice what it is now, the gravitational force exerted on the earth by the sun would be (a) twice as large as it is now (b) four times as large as it is now (c) half of what it is now (d) one-fourth of what it is now

Description : If the distance between the earth and the sun were twice what it is now, the gravitational force exerted on the earth by the sun would be (a) twice as large as it is now (b) four times as large as it is now (c) half of what it is now (d) one-fourth of what it is now

Last Answer : Ans:(d)

A hydrogen filled balloon rises in air because (a) The atmospheric pressure decreases with altitude (b) The acceleration due to gravity decreases with altitude (c) The density of air decreases with altitude (d) The buoyant force exerted by the air on the balloon is greater than the weight of the balloon

Description : A hydrogen filled balloon rises in air because (a) The atmospheric pressure decreases with altitude (b) The acceleration due to gravity decreases with altitude (c) The density of air decreases with ... The buoyant force exerted by the air on the balloon is greater than the weight of the balloon

Last Answer : Ans:(d)

weight of water, the hydraulic mean depth of the sewer and the bed slope w is the unit of the sewer, then the tractive force exerted by flowing water, is A. w r S S B. w r1/2 C. w r S D. w r2/3

Description : weight of water, the hydraulic mean depth of the sewer and the bed slope w is the unit of the sewer, then the tractive force exerted by flowing water, is A. w r S S B. w r1/2 C. w r S D. w r2/3

Last Answer : ANS: A

: Force exerted on a person by atmosphere is A. 200 000 N B. 300 000 N C. 400 000 N D. 500 000 N

Description : : Force exerted on a person by atmosphere is A. 200 000 N B. 300 000 N C. 400 000 N D. 500 000 N

Last Answer : 200 000 N

Normal force exerted per unit area by gas on walls of container is A. temperature B. energy C. pressure D. friction

Description : Normal force exerted per unit area by gas on walls of container is A. temperature B. energy C. pressure D. friction

Last Answer : pressure

Electrical force exerted by two point charges on each other is inversely proportional to A. sum of their charges B. product of their charges C. distance between them D. square of distance between them

Description : Electrical force exerted by two point charges on each other is inversely proportional to A. sum of their charges B. product of their charges C. distance between them D. square of distance between them

Last Answer : square of distance between them

A rectangle-shaped open-to-sky tank of water has a length of 2 m and a width of 1 m. If the atmospheric pressure is assumed to be 100 kPa and thickness of the tank walls is assumed to be negligible, the force exerted by the atmosphere on the surface of water is A. 20 kN B. 50 kN C. 100 kN D. 200 kN

Description : A rectangle-shaped open-to-sky tank of water has a length of 2 m and a width of 1 m. If the atmospheric pressure is assumed to be 100 kPa and thickness of the tank walls is assumed to be negligible, the force exerted by ... of water is A. 20 kN B. 50 kN C. 100 kN D. 200 kN

Last Answer : 200 kN

Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is (A) 10 √2π (B) 5π/2 (C) 5 √2π (D) 5π/√2

Description : Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is (A) 10 √2π (B) 5π/2 (C) 5 √2π (D) 5π/√2

Last Answer : (B) 5π/2

The weight of a body is due to (A) Centripetal force of earth (B) Gravitational pull exerted by the earth (C) Forces experienced by body in atmosphere (D) Gravitational force of attraction towards the centre of the earth

Description : The weight of a body is due to  (A) Centripetal force of earth  (B) Gravitational pull exerted by the earth  (C) Forces experienced by body in atmosphere  (D) Gravitational force of attraction towards the centre of the earth 

Last Answer : (D) Gravitational force of attraction towards the centre of the earth 

Total force exerted upon the implement by a power unit called a)pull. B) draft C)side draft. D)unit draft

Description : Total force exerted upon the implement by a power unit called a)pull. B) draft C)side draft. D)unit draft

Last Answer : a)pull

what is the acceleration of a 1.4 kg object if the gravitational force pulls downward on it , but air resistance pushes upward on it with a force of 2.5 N?

Description : what is the acceleration of a 1.4 kg object if the gravitational force pulls downward on it , but air resistance pushes upward on it with a force of 2.5 N?

Last Answer : if g = 10(m/s)/s then force down = ma = 10*1.4=14n14n-2.5n=11.5na=f/m = 11.5/1.4 = 8.21 (m/s/)s

Who discovered the upward force of liquid ?

Description : Who discovered the upward force of liquid ?

Last Answer : Archimedes discovered the upward force of liquid.

An artificial satellite stays in the orbit around the Earth because (a) The Earth’s gravity does not act on the satellite due to the great distance between them (b) The Earth’s attraction produces the necessary centripetal acceleration (c) The Earth’s attraction is balanced by the attraction of other planets (d) There is an engine in the satellite that constantly applies an upward force to balance its weight

Description : An artificial satellite stays in the orbit around the Earth because (a) The Earth's gravity does not act on the satellite due to the great distance between them (b) The Earth's attraction ... (d) There is an engine in the satellite that constantly applies an upward force to balance its weight

Last Answer : Ans:(b)

A balloon filled with helium rises in air because – (1) air exerts an upward force on the balloon (2) the balloon is weightless (3) helium is less dense than air (4) helium pushes down on the air below the balloon

Description : A balloon filled with helium rises in air because – (1) air exerts an upward force on the balloon (2) the balloon is weightless (3) helium is less dense than air (4) helium pushes down on the air below the balloon

Last Answer : (3) helium is less dense than air Explanation: A gas balloon is any balloon that stays aloft due to being filled with a gas less dense than air or lighter than air (such as helium ... balloons) as the dominant form of airship. as balloons remained popular throughout the age before powered flight.

A cantilever carries is uniformly distributed load W over its whole length and a force W acts at its free end upward. The net deflection of the free end will be (A) Zero (B) (5/24) (WL3 /EI) upward (C) (5/24) (WL3 /EI) downward (D) None of these

Description : A cantilever carries is uniformly distributed load W over its whole length and a force W acts at its  free end upward. The net deflection of the free end will be  (A) Zero  (B) (5/24) (WL3 /EI) upward  (C) (5/24) (WL3 /EI) downward  (D) None of these 

Last Answer : (B) (5/24) (WL3 /EI) upward

The shearing force acting along the slice of a curved surface of slippage, causes the soil to slide (A) Down at the centre (B) Down at the toe (C) Upward at the centre (D) None of these

Description : The shearing force acting along the slice of a curved surface of slippage, causes the soil to slide (A) Down at the centre (B) Down at the toe (C) Upward at the centre (D) None of these

Last Answer : Answer: Option A

Metacentre is the point of intersection of (A) Vertical upward force through e.g. of body and center line of body (B) Buoyant force and the center line of body (C) Midpoint between e.g. and center of buoyancy (D) All of the above

Description : Metacentre is the point of intersection of (A) Vertical upward force through e.g. of body and center line of body (B) Buoyant force and the center line of body (C) Midpoint between e.g. and center of buoyancy (D) All of the above

Last Answer : Answer: Option B

A system weighing 2kN. Determine the force that accelerate if to 12 m/s^2. a. vertically upward when g = 9.7 m/s^2  A. 4474.23 N  B.5484.23 N  C.4495.23 N  D.5488.23 N Formula: F = m/k (a +g)

Description : A system weighing 2kN. Determine the force that accelerate if to 12 m/s^2. a. vertically upward when g = 9.7 m/s^2  A. 4474.23 N  B.5484.23 N  C.4495.23 N  D.5488.23 N Formula: F = m/k (a +g)

Last Answer : 4474.23 N

In the Millikan oil-drop experiment the UPWARD force on the drop is due to the: w) gravitational and electric fields x) gravitational field and the charge on the drop y) electric field and the size of the drop z) electric field and the charge on the drop

Description : In the Millikan oil-drop experiment the UPWARD force on the drop is due to the: w) gravitational and electric fields x) gravitational field and the charge on the drop y) electric field and the size of the drop z) electric field and the charge on the drop

Last Answer : ANSWER: Z -- ELECTRIC FIELD AND THE CHARGE ON THE DROP 

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

A balloon filled with helium rises in air because (1) air exerts an upward force on the balloon (2) the balloon is weightless (3) helium is less dense than air (4) helium pushes down on the air below the balloon

Description : A balloon filled with helium rises in air because (1) air exerts an upward force on the balloon (2) the balloon is weightless (3) helium is less dense than air (4) helium pushes down on the air below the balloon

Last Answer : helium is less dense than air

How is power exerted in the book "1984" by George Orwell, and how do the characters react?

Description : How is power exerted in the book "1984" by George Orwell, and how do the characters react?

Last Answer : Is this a class assignment? Have you read the book?

The pressure exerted by wall of the cell on the protoplast is

Description : The pressure exerted by wall of the cell on the protoplast is

Last Answer : The pressure exerted by wall of the cell on the protoplast is A. W.P. B. T.P. C. D. P. D. O.P.

Zero inductive effect is exerted by:

Description : Zero inductive effect is exerted by:

Last Answer : Zero inductive effect is exerted by: A. `C_(6)H_(5)-` B. H C. `CH_(3)-` D. Cl