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Inertia is the natural tendency of objects in motion to stay in motion and objects at rest to stay at rest, unless a force causes the velocity to change. It is one of the fundamental principles in classical physics , and described by Isaac Newton in his first law of motion (also known as The Principle of Inertia). [ 1 ]
The moments of inertia of a mass have units of dimension ML 2 ([mass] × [length] 2). It should not be confused with the second moment of area, which has units of dimension L 4 ([length] 4) and is used in beam calculations. The mass moment of inertia is often also known as the rotational inertia, and sometimes as the angular mass.
The moment of inertia is defined as the product of mass of section and the square of the distance between the reference axis and the centroid of the section. Spinning figure skaters can reduce their moment of inertia by pulling in their arms, allowing them to spin faster due to conservation of angular momentum.
In classical physics and special relativity, an inertial frame of reference (also called an inertial space or a Galilean reference frame) is a frame of reference in which objects exhibit inertia: they remain at rest or in uniform motion relative to the frame until acted upon by external forces.
Inertia, an Irish DJ duo, the pairing of John O'Callaghan and Neal Scarborough; Inertia (The Exies album), an album by The Exies; Inertia (Derek Sherinian album), an album by Derek Sherinian "Inertia" (song), by AJR from the album The Maybe Man "Inertia", a song by Blur from the album Leisure "Inertia", a song by Bruce Dickinson from the album ...
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The Romanian Wikipedia (abr. ro.wiki or ro.wp; [1] Romanian: Wikipedia în limba română) is the Romanian language edition of Wikipedia, the free encyclopedia.Started on 12 July 2003, as of 27 December 2024 this edition has 501,821 articles and is the 31st largest Wikipedia edition. [2]
Reconstructed Porta Praetoria at Porolissum, Roman Dacia (modern Romania). Roman castra in Romania were forts built by the Roman army following the conquests of Moesia, Scythia Minor and Dacia, parts of which are now found in the territory of modern Romania.