Question #118804

If a load of mass is raised up to a height of 15m. What is the work done on the process? (g= 10m/s2)

Expert's answer

The work is done on this process equal to the changing the potential energy of the mass. Suppose, the initial potential energy was "U_0 = 0J". The final potential energy is:

where "m" is the mass of the body and "h = 15 m" is the height the body was raised to.

Thus, the work will be:

where "m" is mass of the body in kg.

**Answer. **A = 150m J.

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