Work

Work, Energy and Power

Work

  • In CGS –system, unit of work is erg. One erg of work is said to be done when a force...}

Energy

Work, Energy and Power

Energy

  • Energy of a body is defined as the capacity to do work. 
  • Energy possesse...}

Work-Energy Theorem, Principle of Conservation of Energy and Types of Forces

Work, Energy and Power

Work-Energy Theorem, Principle of Conservation of Energy and Types of Forces

  • Total energy = kinetic energy + potential energy .
  • Work done by or against force,...}

Collisions

Work, Energy and Power

Collisions

  • From the principle of conservation of momentum

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