ship building is much more than taking some metal and building a floating structure. It takes years of understanding and research to build such a vessel. Mankind has been building ships for centuries but it was not until the 17th century that Archimedes‚ a great Greek Mathmatitions‚ ideas were used and studied closely. Today no one would even think of building a ship without using some type of calculations or a computer to draft out a design. The same principles used in the dynamics of ship building
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the velocity of the fluid is high‚ its pressure is low‚ and where the velocity is low the pressure is high. Archimedes’ Principle. -It was discovered by Archimedes‚ an ancient Greek mathematician who died in 212 B.C. According to this principle‚ an object immersed in a fluid experiences a buoyant force that is equal in magnitude to the force of gravity on the displaced fluid. Archimedes was assigned by King Hero to find out if his crown was made of pure gold. For a time‚ he was puzzled. One day
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• A typical surfer starts at a spot in the water where waves begin to form. They then turn towards the shore. When the surfer sees a wave‚ they paddle towards the beach along with the wave. • When water catches the surfboard‚ the surfer then stands up on the board and soars along the waves crest. • Surfing was discovered first in Hawaii • In 1821‚ surfing was banned by missionaries because they thought it was immoral to surf. • A famous Hawaain swimmer by the name of Duke Kahanamoku Waves
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taught to young kids. Geometry made huge advancements in the Hellenistic age. From Eratosthenes finding within 1% the circumference of the earth‚ to the theorems of planes and solids. Also another mathematical triumph was the calculation of pi by Archimedes. Other science triumphs are the facts of modern medicine starting with Hippocrates. They found out about the circulatory system‚ the nervous system‚ and the centralized point of the brain. All these concepts lead to the basic understanding of what
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as water. • What is Archimedes Principle? – The buoyant force is equal to the weight of the displaced water. • What is density? – Density is the mass of a material per unit volume. – Example: The density of steel is 10 times more than the density of wood. Hypothesis I think when the weight of the object is greater than the displaced water‚ it will sink. If the weight of the object is equal to the weight of the displaced water‚ it will float. Title Archimedes Principle and Buoyancy
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Brute force and pure strength do not win battles. Archimedes‚ a Greek genius proved that to be true by winning many battles despite not being the best strategist or having the best army; building and inventing war machines led him to his victory. Archimedes’ inventions have completely altered the way warfare was fought. Firstly‚ to defend the Romans off when Syracuse was fighting the Second Punic war‚ Archimedes invented war machines that were effective and required significantly lesser amount of
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A Golden Age is a period when peace and prosperity flourish throughout a civilization. Many civilizations and cultures throughout history have experienced a Golden Age; advances were made in many different fields such as philosophy‚ architecture‚ and education. Fifth century Athens and the Gupta Dynasty not only advanced in those fields during their Golden age but also in medicine‚ government‚ and mathematics (which is still influencing the modern world). Fifth century Athens made a big influence
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enclosed by a shape or object‚ how much 3-dimensional space it occupies. It can be occupied by a solid‚ liquid or gas. The volume can be measured in cubic meters‚ cubic centimeters‚ or liters. Sometime around 250 BCE‚ the Greek mathematician Archimedes was given the task of determining whether a craftsman had defrauded the King of Syracuse by replacing some of the gold in the King ’s crown with silver. The story goes that he was easing down into the bath and he noticed that the further down he
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Introduction Hydrostatic weighing is an indirect measurement used to predict body fat percentage. It is typically the most accurate means of determining body fact percentage‚ and is based on measuring an individual’s body density. Archimedes’ principle explains that the upward buoyant force exerted on a body immersed in a fluid is equal to the weight of the fluid that the body displaces. Due to the fact that body fat is less dense than water‚ it increases one’s buoyancy‚ while the fat-free mass
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variations in a fluid are typically caused by gravity (since P = P0 + ρgh)‚ but in general buoyant forces act opposite the direction of the frame of reference acceleration. Under conditions of apparent weightlessness there can be no buoyant forces. Archimedes’ Principle The magnitude of the buoyant force on an object is equal to the weight of the fluid it displaces. B = ρgVdisplaced The factors that affect buoyancy are … the density of the fluid‚ the volume of the fluid displaced‚ and the
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