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Buoyant force of a rock submerged in water compared to the weight of the water displaced by the rock?

The buoyant force acting on the rock submerged in water is equal to the weight of the water displaced by the rock. This is known as Archimedes' principle, which states that the buoyant force on an object is equal to the weight of the fluid it displaces.


How does the buoyant force of a rock emerged in water compare to the weight of the water displaced by the rock?

The buoyant force acting on a rock in water is equal to the weight of the water displaced by the rock, as described by Archimedes' principle. This means that the buoyant force is equal to the weight of the volume of water that is pushed aside by the rock when it is submerged.


What is a buoyant solidified rock glass?

Pumice.


Why does a rock has to sink?

A rock sinks because it is not buoyant. Buoyancy is whether or not something floats in water. There are three levels of buoyancy; buoyant, neutrally buoyant, and not buoyant. When something is buoyant, that means it has a lower density than water, causing it to float. When something is neutrally buoyant, that means it has roughly the same density as water, causing it to float half way between the bottom and the surface. Finally, when something is not buoyant (like a rock), that means that it has a higher density than water, causing it to sink to the bottom.


A rock suspended by a weighing scale weighs 5 N out of water and 3 N when submerged in water What is the buoyant force on the rock?

The buoyant force is equal to the weight of the fluid displaced. In this case, there are 2 Newtons of force, leading to the buoyant force equaling 2 Newtons.


When gravitational force and buoyant force is balanced on the lithosphere the rock is in what kind of state?

When gravitational force and buoyant force are balanced on the lithosphere, the rock is in isostatic equilibrium. This means that the rock is neither sinking nor rising in response to the forces acting on it.


8 A rock suspended by a scale weighs 5 N out of water and 3 N when submerged in water What is the buoyant force on the rock?

The buoyant force accounts for the missing 2 N when the rock is in water. The 2 N is the weight of the volume of water equal to the volume of the rock ... the water that the rock 'displaces' (pushes aside) when it enters the water.


Why is it easier to lift a rock in water rather than lifting it in air?

The buoyant force is greater on the rock in water.


Water and air are both fluids. Why is it easier to lift a rock in water rather than lifting a rock in air?

It is easier to lift a rock in water because water exerts an upward buoyant force on the rock that helps counteract the force of gravity pulling it down. In air, there is less buoyant force acting on the rock, making it harder to lift.


Will a rock gain or lose buoyant force as it sinks deeper in water or will the buoyant force remain the same as it goes deepr in the water?

the buoyant force will remain the same because the rock will displace the same amount of water volume at any depth. Theoretically, it will gain buoyancy as it sinks, because when an objects density matches the density of the water around it, and water becomes denser as it falls deeper, it will be neutrally buoyant or floating. But since a rock is always going to be more dense than water it would still sink.


What is the buoyant force acting on the rock when A rock with volume of 0.3m3 is fully submerged in water having a density of water is 1000 kgm3?

The buoyant force on a submerged object is equal to the weight of the displaced fluid. The density of the water is 1,000 kg/m3, so its weight is 1,000 N/m3. The volume of the rock is 0.3 m3. The buoyant force = weight of the displaced water = (0.3 x 1,000) = 300 N.


Do some rocks float?

Pumice is a rock that will often float. It has so many air bubbles in the rock that it is buoyant, especially in salt water.