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Energy is a scalar quantity, and the mechanical energy of a system is the sum of the potential energy (which is measured by the position of the parts of the system) and the kinetic energy (which is also called the energy of motion): [1] [2]
Émilie du Châtelet (1706–1749) was the first to publish the relation for kinetic energy , derived from the experimental observation of objects dropped into clay.. (Portrait by Maurice Quentin de L
Mechanical advantage is a measure of the force amplification achieved by using a tool, mechanical device or machine system. The device trades off input forces against movement to obtain a desired amplification in the output force.
Newton's laws are often stated in terms of point or particle masses, that is, bodies whose volume is negligible. This is a reasonable approximation for real bodies when the motion of internal parts can be neglected, and when the separation between bodies is much larger than the size of each.
In medicine, mechanical power is a measure of the amount of energy imparted to a patient by a mechanical ventilator. [1] [2] [3] [4] [5]While in many cases mechanical ...