WBCS.LIVE practice question

In which case does the potential energy decrease? I. On compressing a spring. II. On stretching a spring. III. On moving a body against gravitational force. IV. On the rising of an air bubble in water. Select the correct answer.

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. I and II
  2. Only IV
  3. III and IV
  4. All of these

Correct answer and explanation

Correct answer: Only IV