Calculate the mechanical work you do by climbing evenly from the first to the second floor of the school building.

To accomplish this task, we need to know our body weight and the height of the floors of our school. For example, the mass is 70 kg, and the height of the floor is 3.5 m.Then the work done by us, with a uniform rise from the first to the second floor of the school building, will be:
A = FS = mgS = 70 • 9.8 • 3.5 = 2401 J



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