Long jump athletes bring themselves to a state of inertia of motion to propel themselves for a longer distance.When the tree is shaken, the fruits and leaves remain in a state of rest, and they then fall The inertia of rest applies when leaves and fruits fall from the tree.The inertia of motion keeps satellites moving in a circular motion around planets.There are several applications of inertia in daily life, including: The inertia of direction – it is defined as the inability of a physical object to change the direction of motion by itself.The inertia of rest – This is the inability of an object to change its states of motion by itself.The inertia of motion – it is the inability of an object to change its state of rest without an external force.Isaac Newton then advanced the principle of inertia as the first of his laws of motion, which states that every object stays in its state of rest or uniform motion in a straight line unless it is acted upon by an external force. He stated that an object moving on a level surface will continue moving in the same direction at a constant speed unless it is disturbed. Many philosophers disputed this theory of motion, and Galileo Galilei took the Copernican model and improved on the widely known theory of motion. Before the Renaissance, the world used Aristotle’s theory of motion, which stated that in the absence of external motive power, all objects on earth would come to rest, and moving objects will be in motion as long as there is a power acting on them. Inertia is a discovery made by Galileo Galilei, an Italian physicist, astronomer, and engineer, who is also regarded as the father of observational astronomy. It is also used in determining the weight of hot air balloons by varying the quantity of the hot air in the balloon. Today, the Archimedes principle is used in determining the relative density of a substance as well as in the design of submarines and ships. The use of water displacement led to the discovery of the principle. He balanced pure gold and the crown on a scale in the air, then put the scale in water.Īccording to Archimedes’ Principle, if the density of the pure gold differs from the density of the crown, the scale would get out of balance when in water. He acclaimed Eureka when he realised that he could detect whether a crown is made of pure gold. Archimedes’ 5th proposition best helps us understand the principle. The principle helped us understand how and why objects float.
Weight of displaced fluid = weight of the object in a vacuum – weight of the object in the fluid In its simplest form, the Archimedes Principle is represented by this formula: It allowed us to calculate the buoyancy of an object that is partially or fully submerged.
The principle states that the upward buoyant force that is exerted on an object immersed in a fluid, whether partially or fully submerged, is equal to the weight of the displaced fluid. His most significant discovery, the Archimedes Principle, has helped us better understand fluid dynamics. Although we do not know much about him, he is regarded as one of the leading physicists of all time. Archimedes PrincipleĪrchimedes was a Greek physicist, mathematician, engineer, astronomer, and inventor. We have scoured the internet to find the discoveries that happened over a century ago and those in recent times. In this article, we look at the top 10 physics discoveries that have changed the world. He has helped thousands of students understand the underlying principles that have shaped modern living. Mr Gabriel Tan is the physics tutor at the tuition centre.
Kungfu Physics is arguably the best physics tuition centre in Singapore offering tuition services to students in several academic levels including O-Levels, A-Levels, and IP Physics.
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If you are looking to get into a physics-based career, then you will need to get professional physics tuition services in Singapore. Furthermore, physics has been the basis of many technological advancements. Top 10 Physics Discoveries that Changed the Worldįor hundreds of years, Physics has provided the foundational knowledge required to help us understand the environment around us.
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