The centripetal force experienced by individuals in the London Eye is primarily caused by friction between the seat and the person, as well as the push from the capsule wall on the person. Tension in the cable does not contribute to the centripetal force on the person since it is not directly connected to them. At the top of the wheel, gravity, or the person's weight, serves as the centripetal force, while at various points along the circular path, different combinations of forces contribute to this effect.
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Stonebridge said:The cable is not directly connected to the person and so can't be causing the centripetal force on the person.
At the top of the wheel, for example, the centripetal force on a person is caused by gravity; i.e. their weight. At different points on the circle, the centripetal force will be caused by different combinations of a number of forces.
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