The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 3.2 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 12.9-kg slen

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the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.