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OpenStudy (calculusxy):
MEDAL!!! How much work is done by an elevator that carries a person with a mass of 70 kg up 40 meters? Assume the elevator has a constant acceleration of 2 m/s^2.
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OpenStudy (calculusxy):
@Michele_Laino
OpenStudy (michele_laino):
The elevator is not a inertial system, nevertheless, we can consider it, as an inertial system if we introduce the fictitious force -m*Ac where Ac is the ecceleration of the elevator, and m is the mass of the person inside the elevator. So the situation is like below: |dw:1437833008631:dw|
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