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The Study of Mass with Lavoisier, Newton and Einstein
Transcript of The Study of Mass with Lavoisier, Newton and Einstein
b) The mass of a body is its resistance to a change in motion.
c) The mass of a body depends on its change in velocity. a) The mass of a body is a measure of the quantity of matter in it. Lavoisier http://upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Antoine_lavoisier_color.jpg/220px-Antoine_lavoisier_color.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/3/39/GodfreyKneller-IsaacNewton-1689.jpg/220px-GodfreyKneller-IsaacNewton-1689.jpg http://wpcontent.answcdn.com/wikipedia/commons/thumb/d/d3/Albert_Einstein_Head.jpg/220px-Albert_Einstein_Head.jpg "Father of modern chemistry." http://scienceworld.wolfram.com/biography/Lavoisier.html Antoine Laurent Lavoisier - (1743-1794) A French chemist who paved the way for modern science. Created the terms Oxygen and Hydrogen Invented the system of chemical nomenclature http://scienceworld.wolfram.com/biography/Lavoisier.html http://scienceworld.wolfram.com/biography/Lavoisier.html Discovered the Law of Conservation of Mass http://scienceworld.wolfram.com/biography/Lavoisier.html Isaac Newton - (1642-1727) An English physicist and mathematician who made some of the biggest contributions to science ever. b) The mass of a body is its resistance to a change in motion. Newton Created the some most important laws in science in his book, "the Principia" http://scienceworld.wolfram.com/biography/Newton.html Invented a new and revolutionary scientific method http://scienceworld.wolfram.com/biography/Newton.html Formulated theories of mechanics and optics and invented calculus http://scienceworld.wolfram.com/biography/Newton.html http://scienceworld.wolfram.com/biography/Newton.html Formulated a new system of chemistry about elements and atoms Invented names like sulfuric acid and sulfate http://scienceworld.wolfram.com/biography/Newton.html Newton's Three Laws:
1. A body at rest remains at rest and a body in motion continues to move at a constant velocity unless acted upon by an external force.
2. A force acting on a body gives it an acceleration which is in the direction of the force and has magnitude inversely proportional to the mass of the body.
3. Whenever a body exerts a force on another body, the latter exerts a force of equal magnitude and opposite direction on the former. http://scienceworld.wolfram.com/physics/NewtonsLaws.html Albert Einstein - (1879-1955) A German-American physicist who had an extremely profound effect on the world of science. c) The mass of a body depends on its change in velocity. Einstein http://scienceworld.wolfram.com/biography/Einstein.html Created the theory of special relativity. http://scienceworld.wolfram.com/biography/Einstein.html Explained the photoelectric effect using equation E=hv http://scienceworld.wolfram.com/biography/Einstein.html Explains how energy is relative to mass and the speed of a body using E=mc^2 http://scienceworld.wolfram.com/biography/Einstein.html Developed a theory of general relativity saying that acceleration and a gravitational field were related http://scienceworld.wolfram.com/biography/Einstein.html E=Energy
h= Planck's constant
v= frequency of a photon Light consisted of particles (photons) with energy Photoelectric effect: Lavoisier would have said this because:
He created the Law of Conservation of Mass which showed that mass could not be created or destroyed. Newton would have said this because:
Newton created the theory of inertia, the resistance of an object to change its motion or rest, in his first law. Einstein would have said this because:
He invented the equation E=mc^2 which means Energy is equal to mass multiplied by the velocity of a body therefore mass and velocity are dependent on each other. The Law of Conservation of Mass states that in a chemical reaction, matter is neither created nor destroyed. http://www.chemteam.info/Equations/Conserv-of-Mass.html Most images taken from Prezi image uploader and therefore from Google Images.