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Centrifugal
Centrifugal: The Turning Force A centrifugal force is a force that causes an object to rotate around an axis of rotation when external forces are applied...
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Centrifugal: The Turning Force A centrifugal force is a force that causes an object to rotate around an axis of rotation when external forces are applied...
A centrifugal force is a force that causes an object to rotate around an axis of rotation when external forces are applied to it. This force is generated by the centrifugal reaction, which is the inward force exerted by a rotating object on an object moving towards it at a constant distance.
Key points about centrifugal force:
It is an induced force, meaning it must be applied by an external force.
It is always attractive between two rotating objects with different rotational speeds.
It is proportional to the magnitude of the applied force and inversely proportional to the distance from the axis of rotation.
It can cause an object to rotate at a constant speed, or accelerate it to reach a higher rotational speed.
Examples:
Car brakes: When the brake pedal is pressed, a centrifugal force is applied to the wheel, causing it to slow down and eventually stop.
Fly wheel: When a helicopter turns, the spinning blades create a centrifugal force that pushes the aircraft forward.
Swimming: When a swimmer dives in the water, the centrifugal force pulls them inward, creating resistance and allowing them to stay afloat.
Centrifugal force is a crucial concept in machine design, especially in the analysis of clutches and brakes. It is used to calculate the torque required to initiate or maintain rotation, and to determine the frictional losses in mechanical systems