JEE Physics · Easy

Work, Power and Energy: Kinetic Energy MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Kinetic EnergyEasyQuestion 30404

Question

The kinetic energy of a body of mass m moving at speed v is:
  1. A
    mv
  2. B
    mv²
  3. C
    ½mv²
    Correct
  4. D
    2mv²

Correct answer

½mv²

Explanation

KE = ½mv². It is always positive (scalar quantity).