NEET2016PhysicsWork, Power and EnergyActual
Work is being performed, when a weight lifter lifts a base ball off a weight rack. This is due to
Options
- Amagnetic attraction
- Bgravity
- Celectrostatic repulsion
- Dmechanical force
Correct answer
B. gravity
Step-by-step solution
Due to gravity, barbell is lifted and hence work is done.