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2. List of moments of inertia - Wikipedia

   en.wikipedia.org/wiki/List_of_moments_of_inertia

   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.

3. Polar motion - Wikipedia

   en.wikipedia.org/wiki/Polar_motion

   Polar motion in arc-seconds as function of time in days (0.1 arcsec ≈ 3 meters). [1] Polar motion of the Earth is the motion of the Earth's rotational axis relative to its crust. [2]: 1 This is measured with respect to a reference frame in which the solid Earth is fixed (a so-called Earth-centered, Earth-fixed or ECEF reference frame). This ...

4. Moment of inertia - Wikipedia

   en.wikipedia.org/wiki/Moment_of_inertia

   The time to reach the finishing line is longer for objects with a greater moment of inertia. (OGV version) The moment of inertia about an axis of a body is calculated by summing for every particle in the body, where is the perpendicular distance to the specified axis. To see how moment of inertia arises in the study of the movement of an ...

5. Inertia - Wikipedia

   en.wikipedia.org/wiki/Inertia

   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 ]

6. Equations of motion - Wikipedia

   en.wikipedia.org/wiki/Equations_of_motion

   There are two main descriptions of motion: dynamics and kinematics.Dynamics is general, since the momenta, forces and energy of the particles are taken into account. In this instance, sometimes the term dynamics refers to the differential equations that the system satisfies (e.g., Newton's second law or Euler–Lagrange equations), and sometimes to the solutions to those equations.

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8. Cavendish experiment - Wikipedia

   en.wikipedia.org/wiki/Cavendish_experiment

   Moment of inertia of torsion balance beam T: s: Period of oscillation of torsion balance g: m s −2: Acceleration of gravity at the surface of the Earth M earth: kg: Mass of the Earth R earth: m: Radius of the Earth earth: kg m −3: Density of the Earth

9. Axial parallelism - Wikipedia

   en.wikipedia.org/wiki/Axial_parallelism

   Axial parallelism of Saturn's rings, in a 17th century work by James Ferguson (Scottish astronomer) Axial parallelism can be seen in the Moon's tilted orbital plane.This results in the revolution of the lunar nodes relative to the Earth, causing an eclipse season approximately every six months, in which a solar eclipse can occur at the new moon phase and a lunar eclipse can occur at the full ...