a person is standing in an elevator.In which situation he finds his weight less- 1.when the elevator moves upward with constant acceleration 2.when the elevator moves downward with constant acceleration 3.when the elevator moves upward with uniform velocity 4.when the elevator moves downward with uniform velocity

Asked by deepika babbar | 16th Dec, 2013, 12:39: PM

Expert Answer:

When the elevator moves downwards with constant acceleration, he will feel weightless.
 
The net acceleration on the person will be g - a, and when a = g, that is, the elevator moves down with constant acceleration due to gravity, the person will feel weightless.

Answered by Romal Bhansali | 16th Dec, 2013, 03:10: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.