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A centripetal force (from Latin centrum, "center" and petere, "to seek" [1]) is a force that makes a body follow a curved path.The direction of the centripetal force is always orthogonal to the motion of the body and towards the fixed point of the instantaneous center of curvature of the path.
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English: Diagram of centripetal force and the equal and opposite reactive centrifugal force, for the case as ball circling on a massless string attached to an immovable post. Date February 2011
Centrifugal force created by the particles traveling in circles; Centripetal force created by the drag from the gas as it flows from the nozzles along the wall to the outlet in the center of the mill; Flow past a solid particle reacting to centrifugal force: streamlines, drag force F d and force by gravity or centrifugal force F g.
The force is called centripetal force in the limit of a continuously acting force directed towards the center of the circle. Date: 24 March 2023: Source: Own work ...
The simplest illustration of Newton's theorem occurs when there is no initial force, i.e., F 1 (r) = 0. In this case, the first particle is stationary or travels in a straight line. In this case, the first particle is stationary or travels in a straight line.
For illustration, the first term on the left is zero for circular orbits, and the applied inwards force equals the centripetal force requirement, as expected. The definition of angular momentum allows a change of independent variable from t {\displaystyle t} to θ {\displaystyle \theta } :
Since the centrifugal force of the parts of the earth, arising from the earth's diurnal motion, which is to the force of gravity as 1 to 289, raises the waters under the equator to a height exceeding that under the poles by 85472 Paris feet, as above, in Prop. XIX., the force of the sun, which we have now shewed to be to the force of gravity as ...