to distinguish "center of gravity" from "center of mass" in most applications, such as engineering and medicine. In a non-uniform field, gravitational...
12 KB (1,615 words) - 01:24, 22 December 2023
Newton's law of universal gravitation describes gravity as a force by stating that every particle attracts every other particle in the universe with a...
28 KB (3,839 words) - 13:20, 3 June 2025
center-of-gravity may, in addition, depend upon its orientation in a non-uniform gravitational field. In the latter case, the center-of-gravity will always be...
36 KB (4,876 words) - 05:06, 2 June 2025
Barycenter (astronomy) (category Geometric centers)
Barycentric Dynamical Time Centers of gravity in non-uniform fields Center of mass Lagrange point Mass point geometry Roll center Weight distribution "barycentre"...
16 KB (1,541 words) - 00:34, 20 June 2025
Net force (redirect from Resolution of forces)
force and use the terms as synonyms. Screw theory Center of mass Centers of gravity in non-uniform fields "University Physics Volume 1". openstax.org. 19...
18 KB (2,482 words) - 14:34, 1 November 2024
The gravity of Earth, denoted by g, is the net acceleration that is imparted to objects due to the combined effect of gravitation (from mass distribution...
32 KB (3,826 words) - 10:21, 3 June 2025
gravity, or rotational gravity, is thus the appearance of a centrifugal force in a rotating frame of reference (the transmission of centripetal acceleration...
38 KB (4,562 words) - 19:24, 11 June 2025
would be in the middle of the line that joins their centers of gravity. Two centuries later, the Roman engineer and architect Vitruvius contended in his De...
83 KB (8,799 words) - 00:55, 16 June 2025
and non-uniform composition, which distorts its gravitational field. The theoretical value of gravity can be corrected for altitude and the effects of nearby...
20 KB (2,991 words) - 10:20, 12 May 2025
Gravity Probe A (GP-A) was a space-based experiment to test the equivalence principle, a feature of Einstein's theory of relativity. It was performed jointly...
13 KB (1,668 words) - 03:34, 29 May 2025
Weightlessness (redirect from Effects of low gravity on humans)
such as in a centrifuge, a rotating space station, or within an accelerating vehicle. When the gravitational field is non-uniform, a body in free fall...
68 KB (7,410 words) - 22:34, 19 June 2025
Centers of gravity in non-uniform fields Centimetre of water Central European Journal of Physics Central body Central charge Central field approximation...
28 KB (2,788 words) - 18:26, 23 February 2025
The gravity of Mars is a natural phenomenon, due to the law of gravity, or gravitation, by which all things with mass around the planet Mars are brought...
53 KB (6,282 words) - 00:06, 9 April 2025
Galilean invariance (section Magnetic field system)
be of infinite size, but its definition is always determined locally by contextual physical conditions. Any two frames may be in relative non-uniform motion...
12 KB (1,732 words) - 22:16, 10 May 2025
Local reference frame (redirect from Laboratory frame of reference)
cluster of objects falling together in an effectively uniform gravitational field, their physics can be described as the physics of that cluster in a space...
3 KB (371 words) - 07:17, 19 June 2025
of the Moon around the Earth, can be approximated by uniform circular motion. In such cases, the centripetal force is gravity, and by Newton's law of...
128 KB (16,223 words) - 16:03, 13 April 2025
convenient description of gravity based on fields—a numerical quantity (a vector in the case of gravitational field) assigned to every point in space indicating...
107 KB (14,903 words) - 01:36, 27 May 2025
Gravity Probe B (GP-B) was a satellite-based experiment whose objective was to test two previously-unverified predictions of general relativity: the geodetic...
28 KB (3,098 words) - 08:33, 10 February 2025
Curved spacetime (redirect from Curvature of space-time)
In physics, curved spacetime is the mathematical model in which, with Einstein's theory of general relativity, gravity naturally arises, as opposed to...
45 KB (5,669 words) - 14:45, 22 April 2025
electrostatic field potentials, the Einstein field equation for gravitation (Newton's law of gravity is a special case for weak gravitational fields and low...
55 KB (7,509 words) - 00:17, 7 June 2025
utilitarian camouflage uniforms for field and battle purposes from World War I (1914–1918) on. Military uniforms in the form of standardised and distinctive...
75 KB (10,084 words) - 15:31, 19 June 2025
Geoid (redirect from Undulation of the geoid)
at rest instead of rolling over the geoid. Earth's gravity acceleration (the vertical derivative of geopotential) is thus non-uniform over the geoid....
29 KB (3,445 words) - 01:09, 2 June 2025
{B}}}{B^{2}}}} Guiding center drifts may also result not only from external forces but also from non-uniformities in the magnetic field. It is convenient to...
13 KB (2,034 words) - 12:41, 25 May 2025
Inverse-square law (redirect from Inverse square law of radiation)
gravitation in 1666 as an attractive force. Hooke's lecture "On gravity" was at the Royal Society, in London, on 21 March. Borelli's "Theory of the Planets"...
28 KB (3,471 words) - 22:01, 26 May 2025
Earth's centre of gravity. The roots of Domingo de Soto's expression uniform difform motion [uniformly accelerated motion] lies in the Oxford Calculators...
90 KB (11,016 words) - 04:55, 20 June 2025
De Sitter invariant special relativity (category Quantum gravity)
repulsion center at the new point. What this means is that in a spacetime with non-vanishing curvature, gravity is modified from Newtonian gravity. At distances...
28 KB (3,598 words) - 19:25, 21 November 2024
Equivalence principle (redirect from Variation of the fundamental constants)
requires gravity to be geometrical by nature, but in addition it forbids any extra fields, so the metric alone determines all of the effects of gravity. If...
49 KB (5,570 words) - 14:25, 13 May 2025
theory of gravitation is a kinetic theory of gravity originally proposed by Nicolas Fatio de Duillier in 1690 and later by Georges-Louis Le Sage in 1748...
83 KB (11,208 words) - 23:15, 24 May 2025
are roughly mixed. However, if the plasma is displaced, the non-uniform nature of the field means the ion's larger orbital radius takes them outside the...
28 KB (4,027 words) - 09:53, 8 December 2024
Hydrostatic equilibrium (category Definition of planet)
such as gravity, are balanced by a pressure-gradient force. In the planetary physics of Earth, the pressure-gradient force prevents gravity from collapsing...
27 KB (4,416 words) - 05:00, 19 April 2025