RE: Is when the process of a rock goes through weathering
That would be the meaning of... Something.... I think a more accurate answer would be " ... is the process a rock undergoes due to man-made pressure."
Like if you hit a rock with a hammer, and it breaks, that would be mechanical weathering.
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it is like this. You can't lift a Car with the force what you can apply through your hands. But the same force through use of a Jack it is possible. This is mechanical advantage.That is multiplying the efforts through a mechanism.
From Wikipedia: Quantum mechanics (QM) is a set of scientific principles describing the known behavior of energy and matter that predominate at the atomic and subatomic scales. The name derives from the observation that some physical quantities-such as the energy of an electron-can be changed only by set amounts, or quanta, rather than being capable of varying by any amount.
A mechanical mechanism is a device or contraption that is operated automatically, and not manually or requiring manual labor.
Mechanical energy is Force x Distance. In the SI system it is Newton x Meter. 1 Newton.meter = 1 Joule. In the foot pound system it is foot.poundforce (ft.lbf). 1 Joule = 0.7376 ft.lbf