NEETPhysicsWork, Power and Energy
Why is electrical power required at all when the elevator is descending?
Options
- ATo increase the speed of the descent
- BTo control the rate of descent
- CTo prevent the elevator from falling freely under gravity
- DTo provide additional lighting inside the elevator
Correct answer
C. To prevent the elevator from falling freely under gravity
Step-by-step solution
Correct Option is : (C) To prevent the elevator from falling freely under gravity