The spool of mass M slides along the rotating rod. At the instant shown, the angular rate of rotation of the rod is θ', which is increasing at θ''. At this same instant, the spool is moving outward along the rod at r' which is increasing at r'' at r. Determine the radial frictional force and the normal force of the rod on the spool at this instant.

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Given: M = 4 kg rad Ꮎ = 6 - Ꮎ' = 2 S rad 2 8 = 9.81 S m NB 2 r = 0.5 m r' = 3 m S m == 2 8