A yo-yo is constructed with two plastic disks and a solid aluminum rod. The disks each have a mass of 250.0 grams with a diameter of 12.0 cm. A massless string is wrapped around the rod. One end of the string is held at a constant tension T and the yo-yo is released. The rod has a mass of 150.0 grams witha diameter of 2.00 cm. The moment of inertia for a solid disk and a solid rod about the center of mass is ICM = mR². 1. Draw a force diagram for the yo-yo labeling all forces and indicating the directions of positive motion. 2. What is the moment of inertia of the yo-yo? 3. What is the numerical value for the acceleration of the yo-yo?

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A yo-yo is constructed with two plastic disks and a solid aluminum rod. The disks each have
a mass of 250.0 grams with a diameter of 12.0 cm. A massless string is wrapped around the
rod. One end of the string is held at a constant tension T and the yo-yo is released. The rod
has a mass of 150.0 grams witha diameter of 2.00 cm. The moment of inertia for a solid disk
and a solid rod about the center of mass is ICM = mR².
1. Draw a force diagram for the yo-yo labeling all forces and indicating the directions
of positive motion.
2. What is the moment of inertia of the yo-yo?
3. What is the numerical value for the acceleration of the yo-yo?
Transcribed Image Text:A yo-yo is constructed with two plastic disks and a solid aluminum rod. The disks each have a mass of 250.0 grams with a diameter of 12.0 cm. A massless string is wrapped around the rod. One end of the string is held at a constant tension T and the yo-yo is released. The rod has a mass of 150.0 grams witha diameter of 2.00 cm. The moment of inertia for a solid disk and a solid rod about the center of mass is ICM = mR². 1. Draw a force diagram for the yo-yo labeling all forces and indicating the directions of positive motion. 2. What is the moment of inertia of the yo-yo? 3. What is the numerical value for the acceleration of the yo-yo?
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