Question

The spool with mass m-70 kg sits in a comer. A cord of negligible mass wraps around the spools inner cylinder. The spools centroid corresponds with its mass center, G. The spools outer radius is 500 mm. The radius of the inner cylinder is 260 mm. The coefficient of friction at contact points is a,-0.50. Determine the largest magnitude of the vertical force Fin newtons that one can pull on the cord before rotation of the spool occurs.
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fa 2.6m

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