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Will a submarine sink or float when its weight is greater than the upthrust acting on it?
When the weight of any object surrounded by fluid is greater than the buoyant force on it, it sinks. (The buoyant force is just the weight of the fluid that would be in that space if the submerged object were not there.)
What is the upward force acting on an object in fluid?
The upward force is what's called the "buoyant force". It's exactly the weight of the fluid that would be in the space occupied by the object if the object were not there. What is the object doing ? Is it sinking ? Then the buoyant force is less than the weight of the object. (A rock.) Is it rising ? Then the buoyant force is greater than the weight of the object. (A basketball forced to the bottom of the pool and then released.) Is it just hanging there ? (typically referred to as "floating") Then the buoyant force is equal to the weight of the object. (A boat.)
Will a sinking object experience buoyant force?
It will if it occupies space where liquid should be.
Can buoyant force be zero?
Yes, it can if you fit density of the material to the density of the surrounding media the force is zero.ANS2:The only ways that the buoyant force could be zero is when the object is not in contact with a fluid* such as may be encountered in the vacuum of outer space or when there is no gravitational force pulling the fluid downward. Remember, that the object does not need to be floating for a buoyant force to be acting on it. A brick weighs slightly less because it displaces its volume of air and that air that was displaced is pushing up on the brick.*"Fluid" includes gases and liquids.
Where can you put an object so that it will have no buoyant force?
In space and away from anything with a gravitational pull.
What would be the buoyant force on a partially immersed object if you used a spring balance?
First of all, the buoyant force on the object doesn't depend on how you measure it, or whether you measure it at all. The buoyant force on an object in a fluid, whether it's submerged partially, entirely, or not at all, is equal to the weight of the fluid that would fill the space occupied by the object if the object weren't there.
Why does a body shows loss in weight when immersed in a liquid?
Very interesting question. As we immerse a body of mass M and having volume V is immersed in a liquid then a space of volume V is required for the immersing body. So that space of V is created by the equal volume of liquid vacating that space. Now this liquid should have gone above the initial level of liquid. This is known as expelled or displaced liquid. Its weight though acting down it wants to push up the body out of the liquid region. This push up is known as buoyant force. Hence if B is the buoyant force upward then this would be subtracted from the weight of the immersed body. Hence loss of weight is felt.
What is the size of the buoyant force acting on an object?
What is the buoyancy force on an object which displaces 10,300 kg of water?100,940 NAbout how many pounds is this? (Remember, a one kilogram mass weighs 2.2 pounds at sea level.)22,660 lbssources AOA
Do submarines have to do with buoyant force?
The Buoyant force depends on the equation Fb=mfg where Fb is the buoyant force, mf is the mass of the fluid (water) that is displaced by the body and g is the Earth's gravitational constant 6.673x10-11Newton Meters squared per kilograms squared (Nm2/kg2) Submarines use buoyant forces and gravity to move up and down with in the water. When the Buoyant force is less than the Earth's gravitational pull on the submarine, it sinks, when the buoyant force is greater than the Earth's gravitational pull on the submarine, it rises. Once the submarine is already submerged, the buoyant force is constant. Submarines adjust the Earth's gravitational pull on it by filling the space in between the inner walls and outer walls with water and/or gasses. With out buoyant forces, the submarine would never return to the surface of the water.
What happens to the buoyant force when the amount of space an object takes up underwater is increased?
If the mass of an object remains constant, and the amount of space underwater it takes up (it displacement) increases, the buoyant force on the object will increase. The object will rise until it regains equilibrium, when it displaces the same mass of water as its own mass.
Why does the heavy bricks sinks into the water.give reasons?
Water is dense at about eight pounds a gallon. A brick is more dense and will sink. The weight of the water in the space taken up by the water that it displaces is less than the weight of the brick taking up that space so it drops to the bottom.
Does the Archimedes principle hold in a satellite moving in a circular orbit?
Yes, the Archimedes principle applies in a satellite moving in a circular orbit. The principle states that the buoyant force acting on an object is equal to the weight of the fluid displaced by the object. In the case of a satellite in orbit, the principle still holds as the satellite is displacing the atmosphere and experiences a reduced weight due to its orbital motion.
