What work must a person weighing 60 kg do in order to rise with a weight of 10 kg to a height of 10 m?

Given:

m = 60 kilograms – the mass of a person;

m1 = 10 kilograms – the mass of the load that a person must lift;

h = 10 meters – the height to which a person must lift the load.

It is required to determine A (Joule) – what kind of work a person must do to lift the load.

The total mass of the cargo and the person will be equal to:

M = m + m1 = 60 + 10 = 70 kilograms.

Then, to determine the work, you need to use the following formula:

A = M * h * g, where g = 10 Newtons per kilogram (approximate value).

A = 70 * 10 * 10 = 70 * 100 = 7000 Joules (7 kJ).

Answer: in order to lift a load to a height of 10 meters, a person must perform work equal to 7000 Joules (7 kJ).