? My Blackboard Content-B -Coursr Homepage-2018s i Final Exam Grade Calculat, %

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? My Blackboard Content-B -Coursr Homepage-2018s i Final Exam Grade Calculat, % ww 35M ×11 Malibu beach home, "Beg + Resplastdep-18540258 -/10 points 19.P.039 Notes + Ask Your Tea The spool with mass m-40 kg sits in a corner. A cord of negligible mass wraps around the spool's inner cylinder. The spool's centroid corresponds with its mass center, G The spool's outer radius is 700 mm. The radius of the inner cylinder is 270 mm. The coefficient of friction at contact points is -0.50. AP P in newtons that one can pull on the cord before rotation of the spool occurs Determine the largest magnitude of the vertical force Submit Assignment Save Assignment Progress 1? ) Type here to search

Explanation / Answer

Just before the rotation of spool means the force P required is equal to the weight of the spool.

Given mass of spool =40 kg

Weight = mass *gravitational acceleration

= 40 * 9.81

=392.4 N

P =W

= 392.4 N

P = 392.4N this is the force required Just start to lift the spool

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