what is the law of flotation
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Q.what is the law of flotation?
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Answer:- The law of floatation states that when a body is wholly or partially immersed in a liquid, it floats if the weight of the liquid displaced is equal to the weight of the body. If the weight of the liquid displaced is more than the weight of the body, it sinks.
The principle of floatation was first stated by the Ancient Greek scientist Archimedes. He stated that all objects placed in a liquid experience an upward force which allows the body to float if it displaces water with weight equal to the weight of the body. This upward force is called the buoyant force and the law is called the law of buoyancy.
This is why a ship weighing several tons floats while a needle sinks. A ship is made of iron and steel but it has a lot of space filled with air. This causes the ship to displace water with a weight equal to the weight of the ship. The needle displaces more water than its weight and hence it sinks.
Floatation has a lot to do with
Answer:
Laws of Floatation
Laws of FloatationA body floats in a liquid if:
Laws of FloatationA body floats in a liquid if:1. Density of the material of the body is less than or equal to the density of the liquid.
2. If density of material of body is equal to density of liquid, the body floats fully submerged in liquid in neutral equilibrium.
3. When body floats in neutral equilibrium, the weight of the body is equal to the weight of displaced liquid.
4. The centre of gravity of the body and centre of gravity of the displaced liquid should be in one vertical line.
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