Q143 / 180 · JIPMER 2016 · Physics
Work is being performed, when a weight lifter lifts a base ball off a weight rack. This is due to
- Amagnetic attraction
- Correct answerBgravity
- Celectrostatic repulsion
- Dmechanical force
Solution
Due to gravity, barbell is lifted and hence work is done.
Hence, the correct answer is option: 'B'.