What work must be done to pull a 12kg bucket of water out of a 10m deep well?

Initial data: h (well depth, movement of a bucket with water) = 10 m; m (mass of a bucket with water) = 12 kg.

Reference values: g (acceleration due to gravity) = 10 m / s2.

The work that needs to be done can be calculated as the product of the force acting on the bucket and its displacement, or as a change in the potential energy of the bucket: A = Ft * s = ΔEp = m * g * h.

Let’s calculate: A = 12 * 10 * 10 = 1200 J = 1.2 kJ.

Answer: To pull out a bucket of water, you need to do a work of 1.2 kJ.