A 40.0 kg child on a Ferris wheel rotates four times each minute and the wheel has a radius of 9.0 m.(adsbygoogle = window.adsbygoogle || []).push({});

What force does the seat exert on the child when the child is halfway between the top and bottom?

The answer is 397 N which is 5 N more than the weight of the child, but I have not idea how they got that, anyone have any ideas?

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# Homework Help: Centripetal forces

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