Question

An elevator exerts a force of 8000 N to lift the passengers 15 m. How much work is the elevator doing?

The elevator is doing
J of work.

Answer 1

work= Fxd
=8000x15
=120000J

Answer 2

The work done by the elevator is 120 kJ.

Explanation:

Force acting on the elevator to lift the passengers, F = 8000 N

The lift moves at a distance of 15 meters. We need to find the work done by the elevator. The work done by the object is given by :

$W=F\times d\\\\W=8000\ N\times 15\ m\\\\W=120000\ J$

or

$W=120\ kJ$

So, the work done by the elevator is 120 kJ.

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