# history, philosophy and core theories of Physics

Jun 17th, 2015
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Physics (from Ancient Greek: φύσις physis "nature") is a part of natural philosophy and a natural science that involves the study of matter[1] and its motion through space and time, along with related concepts such as energy and force.[2] More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.

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CHAPTER 1MECHANICS 2 MARKS QUESTIONS1. What is angular velocity? (March, 2007) Unit: rad.s-12. Define centre of gravity. (October 2007)It is a fixed point through which the entire weight of the object acts, irrespective of the position of the object.3. Where does the centre of gravity of a solid cone whose height is 16 cm lie? (March 2008) 4. Define angular momentum. (March 2009)Angular momentum (L) = I Where, I moment of inertia angular velocityUnit: kg.m2.s-1 5. Define the term of range of a projectile. (March 2009; October 2007)It is the horizontal distance between the point of a projection and the point where the projectile hits the ground.3 MARKS QUESTIONS1. Mention the conditions for the stability of bodies. (March 2007; October 2009)(i) The base

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