The change in the kinetic energy of an object is equal to the work done by  total force on the object. This statement is related -  

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  1. From the Conservation of Mechanical Energy 
  2. From the work done by different forces
  3. From Work-Energy Theorem 
  4. From the principle of energy conservation 

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Option 3 : From Work-Energy Theorem 
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Key Points

  • The Work-Energy Theorem states that the work done on an object is equal to the change in its kinetic energy.
  • Work done by the total force on an object results in a change in kinetic energy, directly correlating with the theorem.
  • Mathematically, this is expressed as W=ΔKE , where W is the work done on the object and is the change in kinetic energy.
  • Understanding this theorem is crucial for solving problems related to forces and energy in physics.

Additional Information

Option Details
From the Conservation of Mechanical Energy This principle states that in an isolated system, the total mechanical energy remains constant if only conservative forces are acting.
From the work done by different forces This refers to calculating the net work done by summing the work done by each force acting on the object.
From the principle of energy conservation Similar to the conservation of mechanical energy, this broader principle states that energy cannot be created or destroyed, only transformed from one form to another.
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