Three friends ride a Ferris wheel with a diameter of 77m. Their combined mass with each car of the Ferris wheel is 379kg. When their car is at position A, the steel support applies 681N force at the car at an angle of 40degrees with the horizontal. What is the speed of the cars?

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.