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Classical Mechanics

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Classical Mechanics

Classical mechanics is a branch of physics which studies physical laws governing and mathematically describing the motions of bodies and aggregates of bodies.

Classical mechanics excludes any physics which involves the uncertainty principle, so quantum mechanics is not "classical", and is sometimes called modern physics by contrast.

Classical mechanics produces very accurate results within the domain of everyday experience. It is enhanced by special relativity for objects moving with high velocity, more than about a third the speed of light. Classical mechanics is used to describe the motion of macroscopic objects, from projectiles to parts of machinery, and large astronomical objects, such as spacecraft, planets, stars, and galaxies, and small microscopic objects such as large molecules.

Classical Mechanics includes several different branches which represent specialized forms or stages of development:
  1. Newtonian Mechanics
  2. Lagrangian Mechanics
  3. Hamiltonian Mechanics
  4. Special Relativity
  5. General Relativity
  6. Thermodynamics
  7. Statistical Mechanics
  8. Continuum Mechanics
  9. Geometric Optics

Most of the above braches are equivalent (in some way), either exactly equivalent or equivalent under special conditions.
In this section we have compiled a list of solved physics problems related to classical mechanics. We hope students will be able to improve their problem solving skills by learning more techniques from these examples.

Item Title
Points of mass joined by rigid rod
Equation of motion for a rocket
Escape veolcity for Earth
Lagrange for uniform thin disk
Position vector for the center of mass from an arbitrary origin
Kinetic energy for single particle with constant mass
Find moment of inertia of a uniform hollow cylinder
Find speed of a satellite placed at geostationary orbit
Find Earth angular momentum
Average impact force between and airliner and a bird
Force on a batted ball - Impulse
Projectile Motion - Pool ball leaves the table with initial horizontal velocity
Projectile Motion - Fired at ground level
 
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