2. (35 pts) The giant swing at a county fair consists of a vertical central shaft with a number of horizontal arms attached at its upper end as shown in the figure. Each arm supports a seat suspended from a cable that is 5.00 m long with the upper end of the cable attached to an arm that is 3.00 m long. The mass of the person and swing together is 123 kg. A) What is the tension in the cable? B) Find the angular speed of the swing in rev/min if the cable supporting the seat makes an angle of 30.0º with the vertical. C) Would the angle the cable makes with the horizontal increase, decrease or stay the same if the angular speed increased? Explain. Pictorial Representation Mathematical Representation
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Angular speed refers to how fast an object is rotating or spinning. It is measured in radians per second (rad/s). Show more…
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