Mechanics Hand Written Note:
Here, We provided to Mechanics Hand Written Note Part 2 By Abhijeet Agarwal. Mechanics is the area of physics concerned with the motions of macroscopic objects. Forces applied to objects result in displacements or changes of an object’s position relative to its environment. This branch of physics has its origins in Ancient Greece with the writings of Aristotle and Archimedes (see History of classical mechanics and Timeline of classical mechanics). Free download PDF Mechanics Hand Written Note Part 2 By Abhijeet Agarwal.
Classical mechanics deals with the question of how an object moves when it is subjected to various forces, and also with the question of what forces act on an object which is not moving. The word “classical” indicates that we are not discussing situations in which an object moves with a velocity which is an appreciable fraction of the velocity of light or phenomena on the atomic scale. Free download PDF Mechanics Hand Written Note Part 2 By Abhijeet Agarwal.
The description of atomic phenomena requires quantum mechanics, and the description of phenomena at very high velocities requires Einstein’s Theory of Relativity. Both quantum mechanics and relativity were invented in the twentieth century; the laws of classical mechanics were stated by Sir Isaac Newton in 1687. Free download PDF Mechanics Hand Written Note Part 2 By Abhijeet Agarwal.
Table of Content:
- Newton’s Laws of Motion
- Energy & Momentum
- Central Force & Kepler’s System
- Moment of Inertia Rotational Dynamics
- Fluid Mechanics
The laws of classical mechanics enable us to calculate the trajectories of bullets and baseballs, planets, and space vehicles. Using these laws we can predict the position-versus-time relation for a cylinder rolling down an inclined boat or for an oscillating pendulum and can calculate the tension in the wire when a picture is hanging on a wall. Free download PDF Mechanics Hand Written Note Part 2 By Abhijeet Agarwal.
The practical importance of the subject hardly requires demonstration in a world which contains buildings, automobiles, airplanes, ballistic missiles, bridges, for a person who does not have any professional reason there is a compelling intellectual reason to study classical mechanics: this is the example par excellence of a theory which explains an incredible multitude of phenomena on the basis of a minimal number of simple principles. Free download PDF Mechanics Hand Written Note Part 2 By Abhijeet Agarwal.
BOOK NAME – MECHANICS HAND WRITTEN NOTE PART 2
AUTHOR – ABHIJEET AGARWAL
SIZE – 45.16MB
PAGES – 62
Classical mechanics describes the motion of macroscopic objects, from projectiles to parts of machinery, and astronomical objects, such as spacecraft, planets, stars, and galaxies. If the present state of an object is known it is possible to predict by the laws of classical mechanics how it will move in the future (determinism) and how it has moved in the past (reversibility). Free download PDF Mechanics Hand Written Note Part 2 By Abhijeet Agarwal.
The earliest development of classical mechanics is often referred to as Newtonian mechanics. It consists of the physical concepts employed and the mathematical methods invented by Isaac Newton, Gottfried Wilhelm Leibniz, and others in the 17th century to describe the motion of bodies under the influence of a system of forces. Free download PDF Mechanics Hand Written Note Part 2 By Abhijeet Agarwal.
Later, more abstract methods were developed, leading to the reformulations of classical mechanics known as Lagrangian mechanics and Hamiltonian mechanics. These advances, made predominantly in the 18th and 19th centuries, extend substantially beyond Newton’s work, particularly through their use of analytical mechanics. They are, with some modification, also used in all areas of modern physics. Free download PDF Mechanics Hand Written Note Part 2 By Abhijeet Agarwal.
Classical mechanics provides extremely accurate results when studying large objects that are not extremely massive and speeds not approaching the speed of light. When the objects being examined have about the size of an atom diameter, it becomes necessary to introduce the other major sub-field of mechanics: quantum mechanics. Free download PDF Mechanics Hand Written Note Part 2 By Abhijeet Agarwal.
To describe velocities that are not small compared to the speed of light, special relativity is needed. In cases where objects become extremely massive, general relativity becomes applicable. However, a number of modern sources do include relativistic mechanics into classical physics, which in their view represents classical mechanics in its most developed and accurate form. Free download PDF Mechanics Hand Written Note Part 2 By Abhijeet Agarwal.
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