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Introductory Physics Homework Help
Cylinder rolling thanks to external torque.
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[QUOTE="bobon123, post: 5492044, member: 596089"] Thanks a lot! I think I am there: In the center of mass, I have 1) M_T = M - F_a R 2) F_a = m a_G 3) M_T= I_G dw/dt where M_T is the total torque and the friction is the only force parallel to the plane. I also have 4) a_G = dw / dt R, since the cylinder is rolling without slipping. Therefore, from 1) and 2), 5) M_T=M-m a_G R While from 3) and 4), 6) M_T=1/2 m R a_g Therefore, from 5) and 6), 7) M-m R a_G = 1/2 m R a_g, from which a_g = 2 M / (3 m R) Perfect! Finally the two solutions are only one! [/QUOTE]
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Introductory Physics Homework Help
Cylinder rolling thanks to external torque.
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