11/24/2023 0 Comments Archimedes principle explainedThe density of the solids can be measured using this principle. Milk is kept undisturbed for a while until the cream deposits on it, and then the lactometer is placed in this milk sample, if the lactometer floats it means that milk is pure, but if the lactometer sinks, it means milk is adulterated or impure.Īrchimedes’ principle finds its applications in geology too. Lactometers measure the specific gravity or density of the milk, which helps in finding the contents present in milk and determine its purity. Like hydrometer, it also works according to Archimedes’ principle. Lactometer is an instrument that is used to check the purity of the milk. The density between the air and the balloon is controlled by varying the amount of hot air in the balloon. When the weight of the surrounding air and hot air balloon is equal, it becomes stationary. The balloon rises in the air when the weight of the air surrounding the balloon is greater than its own weight, whereas if the weight of the balloon is greater, it will start descending. As saltwater has a higher density than freshwater, the buoyant force acting on the body in saltwater will also be higher as compared to freshwater, which is why it is easier for the swimmers to swim in the saltwater.Īrchimedes’ principle is also applied to the working of hot air balloons. The Buoyant force exerted on the body by the fluid is mathematically expressed as, The Buoyant force acts at the center of gravity point of the displaced fluid, this point is known as the center of Buoyancy. Archimedes Principle is named after its discoverer, the Greek mathematician, and physicist ‘Archimedes.’ It is based on the principle of buoyancy, which states that if a body is partially or fully submerged in the fluids (gases or liquids), then the fluid exerts an upward force called the buoyant force on the body whose magnitude is equal to the fluid weight displaced by the body.
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