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F19–5. The 50@kg spool is subjected to a horizontal force of
P = 150 N. If the spool rolls without slipping, determine its angular velocity 3 s after it starts from rest. The radius of gyration of the spool about its center of mass is kG = 175 mm.

P = 150 N
0.3 m G
Prob. F19–2
F19–3. If rod OA of negligible mass is subjected to the couple moment M = 9 N # m, determine the angular
1.2 m

Prob. F19–5
velocity of the 10@kg inner gear t = 5 s after it starts from rest. The gear has a radius of gyration about its mass center of kA = 100 mm, and it rolls on the fixed outer gear, B. Motion occurs in the horizontal plane.


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