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Centripetal force

Astronomy  Centripetal acceleration  Cepheid

Centripetal force. The centripetal force is the radial component of the net force acting on a body when the problem is analyzed in an inertial system. The force is inward toward the instantaneous center of curvature of the path of the body.

Centripetal Force - The central force that produces centripetal acceleration
Cepheid Variable - A member of a class of yellow pulsating stars that vary in brightness as they expand and contract. The period of a Cepheid is related to its luminosity ...

Centripetal force is a force that acts upon a body moving in a curved path. This force is directed towards the center of the curvature of the path. It is equal to, but opposite the centrifugal force.

Centripetal force -- The force making a motion is a circle possible, always directed to the center of the circle. To make a (small) object of mass m move with velocity v around a circle of radius R, a centripetal force of magnitude mv2/R must be applied.

Centripetal Force
Measuring Planet and Star Masses
Orbital Speed
Escape Velocity
Review Questions ...

centrifugal force
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~ doesn't arise at all. It is what is needed to keep you rotating. When you're in a car going around a curve, you feel the centrifugal force.

~ (From Stargazers to Starships Glossary - GSFC) The force in a rotating system directed toward the axis of rotation. CEP (abbr) (NASA SP-7, 1965) = circle of equal probability. Cep, Ceph (NASA SP-7, 1965) International Astronomical Union abbreviations for Cepheus.

THE EXISTENCE OF ~: ~ is the force that causes a mass to travel in an arc or circular orbit. It is equal to the object's mass times its tangential velocity squared divided by the radius of the arc or circular path.

As the years progressed, Newton completed his work on universal gravitation, diffraction of light, centrifugal force, ~, inverse-square law, bodies in motion and the variations in tides due to gravity. His impressive body of work made him a leader in scientific research.

Intra-Galaxy Processes, General includes Black Hole, Globular Clusters, Satellite Galaxy, Retrograde Rotation, Halo stars, High Velocity Clouds, Monoceros Ring, accretion disc, Gravitation, Angular Momentum, ~, tidal effects, Viscosity, orbital momentum, Accretion disk, ...

The 610 kg SOHO spacecraft is in a halo orbit around the Sun-Earth L1 point, the point between the Earth and the Sun where the balance of the (larger) Sun's gravity and the (smaller) Earth's gravity is equal to the ~ needed for an object to have the same orbital period in its orbit ...

L1 libration point The point about one one-hundredth of the way from the Earth to the Sun, where the gravitational pull of the Earth and Sun and ~ balance in such a way as to give an orbit of exactly one Earth year. The ACE and SOHO spacecraft are both at L1.

The forces acting on each star are balanced, that is the gravitational force equals the ~ so; ...

The Lagrange points mark positions where the combined gravitational pull of the two large masses provides precisely the ~ required to rotate with them.

This happens because at those five points, the gravitational force of the large objects is exactly equal to the ~ required to rotate with the objects. Three of the points are unstable (L1, L2, and L3) and two are stable(L4 and L5).

The star is an extremely fast rotator, with a rotation period of only 15.9 hours. As a result, it has an oblate shape. If it were rotating 16% faster, the ~ provided by the star's gravity would not be enough to hold the star together.

A gas centrifuge is a separating machine specifically developed to separate Uranium-235 from Uranium-238. The gas centrifuge relies on the principles of ~ accelerating molecules based upon mass....
. The enriched result is then converted into uranium dioxide
Uranium dioxide ...

3.04 To move in a circular path, a planet must experience a constant acceleration toward the star it orbits. This is its...
centrifugal force caused by motion.
motion caused by centrifugal force.
centripetal acceleration caused by gravity.
~ caused by centrifugal acceleration.

See also: See also: What is the meaning of Earth, Planet, Astro, Orbit, Sun?

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