engineering physics MCQ #6098

A spring has a spring constant of 100 N/m. What is the work done in compressing it by 2 m?

engineering physics MCQ #6098

  1. Question 1

    Q1. A spring has a spring constant of 100 N/m. What is the work done in compressing it by 2 m?

    • A) 100 J
    • B) 200 J
    • C) 2000 J
    • D) 400 J

    Answer: 200 J

    Explanation: Work done = 1/2 kx² = 1/2 * 100 * 2² = 200 J, then 1/2 * 100 * 4 = 200 J.