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The 150-lb man lies against the cushion for which the coefficient of static friction is , = 0.5. He rotates about the z axis

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15016 consider FBD of mo + Efn= man 0:5NCOSO + Nsino = 150 (2003) 0.5 NCOSO + Nsmo = 489.1 O +1 = FD=0 -150 +NCOS 0 - 0:5Nsin

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