Lagrange point
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In celestial mechanics, the Lagrange points, also called the Lagrangian points or libration points, are points of equilibrium for small-mass objects under the gravitational influence of two massive or
The Lagrangian L2 point for the Sun–Earth system
Centrifugal force
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In Newtonian mechanics, a centrifugal force is a kind of fictitious force that appears to act on all objects when viewed in a rotating frame of reference. It appears to be directed perpendicularly fro
Lagrange point
…point, altering the orbit of any other celestial body at that point. At the Lagrange points, the gravitational forces of the two large bodies and the centrifugal pseudo-force balance each other. This can make Lagrange points an excellent location for satellites, as orbit corrections, and hence fuel requirements, needed to…
Riders on a swing carousel interpret the cessation of upward motion as a balancing of the force of gravity, the force of the tension of the chains, and a centrifugal force pushing them away from the center of rotation. A stationary observer on the ground observes uniform circular motion, which requires a net centripetal force that is the combination of the force of gravity and the force of the tension of the chains.
The interface of two immiscible liquids rotating around a vertical axis is an upward-opening circular paraboloid.