Power To Accelerate 1000kg Elevator Cab Upward

[Edel Crine]

Gosh, now I got it...!
I really appreciate for continuous help from all of you...
With my harsh English, this is the only thing that I can say, all of you are the awesome

 

[haruspex]

Gosh, now I got it...!
I really appreciate for continuous help from all of you...
With my harsh English, this is the only thing that I can say, all of you are the awesome

So what did you answer for a?