engineering physics MCQ #6130

A body of mass 2 kg is lifted to a height of 4 m. What is the potential energy gained?

engineering physics MCQ #6130

  1. Question 1

    Q1. A body of mass 2 kg is lifted to a height of 4 m. What is the potential energy gained?

    • A) 70 J
    • B) 78.4 J
    • C) 80 J
    • D) 90 J

    Answer: 78.4 J

    Explanation: Potential energy = mgh = 2 * 9.8 * 4 = 78.4 J, using the formula for potential energy.