For background pertinent to this problem, review Conceptual Example $6.$ In Figure $5\mathrm{.}7$ the man hanging upside down is holding a partner who weighs $533N.$ Assume that the partner moves on a circle that has a radius of $4\mathrm{.}17m.$ At a swinging speed of $7\mathrm{.}68\frac{m}{s},$ what force must the man apply to his partner in the straight$-$down position?

Figure $5\mathrm{.}7$

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