• Thumbnail for Center of mass
    In physics, the center of mass of a distribution of mass in space (sometimes referred to as the barycenter or balance point) is the unique point at any...
    36 KB (5,040 words) - 00:48, 6 February 2025
  • Thumbnail for Mass–energy equivalence
    where the center of mass frame is a special case of the center of momentum frame where the center of mass is put at the origin. A simple example of an object...
    90 KB (11,701 words) - 12:41, 15 February 2025
  • "center-of-momentum frame". A special case of the center-of-momentum frame is the center-of-mass frame: an inertial frame in which the center of mass (which...
    9 KB (1,774 words) - 13:52, 13 November 2024
  • Thumbnail for Moment of inertia
    of inertia, otherwise known as the mass moment of inertia, angular/rotational mass, second moment of mass, or most accurately, rotational inertia, of...
    91 KB (17,282 words) - 01:27, 7 February 2025
  • Thumbnail for Mass
    gravitational field. If a first body of mass mA is placed at a distance r (center of mass to center of mass) from a second body of mass mB, each body is subject to...
    76 KB (10,535 words) - 14:30, 4 February 2025
  • Thumbnail for Invariant mass
    mass, rest mass, intrinsic mass, proper mass, or in the case of bound systems simply mass, is the portion of the total mass of an object or system of...
    13 KB (2,004 words) - 13:27, 25 January 2025
  • Thumbnail for Binary star
    term binary star is generally restricted to pairs of stars which revolve around a common center of mass. Binary stars which can be resolved with a telescope...
    68 KB (8,197 words) - 17:21, 24 November 2024
  • parallel axis through the object's center of gravity and the perpendicular distance between the axes. Suppose a body of mass m is rotated about an axis z passing...
    13 KB (2,323 words) - 06:48, 30 January 2025
  • the "rest mass" of a "system". Thus, invariant mass is a natural unit of mass used for systems which are being viewed from their center of momentum frame...
    43 KB (6,288 words) - 15:25, 27 April 2024
  • Thumbnail for Two-body problem
    reference to the shared center of mass. The mutual center of mass may even be inside the larger object. For the derivation of the solutions to the problem...
    17 KB (2,235 words) - 03:40, 2 December 2024
  • Thumbnail for Angular momentum
    the position vector of the center of mass w.r.t. the origin, V {\displaystyle \mathbf {V} } is the velocity of the center of mass w.r.t. the origin, r...
    93 KB (13,465 words) - 08:19, 22 January 2025
  • Thumbnail for Centroid
    Centroid (redirect from Center of area)
    as a substitute for the older terms "center of gravity" and "center of mass" when the purely geometrical aspects of that point are to be emphasized. The...
    25 KB (4,198 words) - 03:34, 23 December 2024
  • Thumbnail for Kinetic energy
    Kinetic energy (category Forms of energy)
    of an object is the form of energy that it possesses due to its motion. In classical mechanics, the kinetic energy of a non-rotating object of mass m...
    38 KB (6,057 words) - 12:20, 16 February 2025
  • motion of a rigid body is often understood by separating it into movement of the body's center of mass and movement around the center of mass. Significant...
    125 KB (15,808 words) - 06:36, 7 February 2025
  • Thumbnail for Mass media
    Mass media include the diverse arrays of media that reach a large audience via mass communication. Broadcast media transmit information electronically...
    64 KB (8,113 words) - 15:31, 15 February 2025
  • Thumbnail for Elastic collision
    v_{2}=(1+e)v_{CoM}-ev_{1}} Where: e is the coefficient of restitution. vCoM is the velocity of the center of mass of the system of two particles: v C o M = m A v A 1 +...
    26 KB (5,828 words) - 19:12, 7 February 2025
  • Thumbnail for Bicycle and motorcycle dynamics
    have shown that a bike stays upright when it is steered to keep its center of mass over its wheels. This steering is usually supplied by a rider, or in...
    128 KB (16,098 words) - 08:57, 3 December 2024
  • analogue to mass (which determines an object's resistance to linear acceleration). The moments of inertia of a mass have units of dimension ML2 ([mass] × [length]2)...
    22 KB (567 words) - 21:38, 14 February 2025
  • dm} is the component of the center of mass in the x direction; this vanishes because the vector x emanates from the center of mass. So, bringing the integral...
    20 KB (2,601 words) - 13:05, 28 September 2024
  • gravitational field, the center of mass serves as the center of gravity. This is a very good approximation for smaller bodies near the surface of Earth, so there...
    12 KB (1,610 words) - 01:24, 22 December 2023
  • Thumbnail for Roly-poly toy
    placement of this weight is such that the toy has a center of mass below the center of the hemisphere, so that any tilting raises the center of mass. When...
    4 KB (453 words) - 23:57, 13 December 2024
  • Thumbnail for Double planet
    Double planet (category Types of planet)
    the Earth–Moon system's center of mass will lie outside Earth, which would make it a double-planet system. The center of mass of the Jupiter–Sun system...
    18 KB (2,204 words) - 04:46, 6 February 2025
  • Thumbnail for Weight transfer
    different wheels of even perfectly rigid vehicles during acceleration the change in center of mass (CoM) location relative to the wheels because of suspension...
    11 KB (1,414 words) - 13:54, 21 August 2024
  • Thumbnail for Gömböc
    example of an inhomogeneous mono-monostatic body is the Comeback Kid, Weeble or roly-poly toy (see left figure). At equilibrium, the center of mass and the...
    17 KB (1,864 words) - 06:29, 16 February 2025
  • find the centroid or center of mass of the sample points. Intuitively, the closer the point in question is to this center of mass, the more likely it is...
    20 KB (2,735 words) - 13:13, 18 January 2025
  • Thumbnail for Net force
    free rigid body. The body has the mass m {\displaystyle m} and its center of mass is the point C. In the constant mass approximation, the force causes changes...
    18 KB (2,482 words) - 14:34, 1 November 2024
  • Thumbnail for Double pendulum
    double pendulum mass is evenly distributed, then the center of mass of each limb is at its midpoint, and the limb has a moment of inertia of I = ⁠1/12⁠mℓ2...
    15 KB (2,578 words) - 04:53, 16 February 2025
  • Thumbnail for Momentum
    it). If the total mass of the particles is m {\displaystyle m} , and the center of mass is moving at velocity vcm, the momentum of the system is: p =...
    73 KB (9,797 words) - 22:57, 11 February 2025
  • Relativistic mechanics (category Theory of relativity)
    interrelated. Consequently, another modification is the concept of the center of mass of a system, which is straightforward to define in classical mechanics...
    35 KB (5,027 words) - 00:21, 24 September 2024
  • Thumbnail for Dark matter
    their galactic center. The luminous mass density of a spiral galaxy decreases as one goes from the center to the outskirts. If luminous mass were all the...
    135 KB (14,693 words) - 17:57, 12 February 2025