NCERT · Class 11 · Physics · Work, Energy and PowerWork-energy theorem states that the change in kinetic energy of a body is equal to:
Step-by-Step Solution
According to the work-energy theorem, the work done by all the forces acting on a body is equal to the change in its kinetic energy ($W = \Delta K$).
Detailed Options Breakdown
Option : Total work done by all forces (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: Potential energy of the body
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Work, Energy and Power.
Option 2: Total mechanical energy
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Work, Energy and Power.
Option 3: Momentum of the body
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Work, Energy and Power.
💡 Study Guide: This question tests core syllabus concepts from Work, Energy and Power. For formulas, key summaries, and mock exam reference guides, read the full Work, Energy and Power Revision Notes.