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5. A giant lollipopconsists of a 280gram 14cm diameter disk on the end of a 40...

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Physics

5. A giant lollipopconsists of a 280gram 14cm diameter disk onthe end of a 40 gram 25cm long stick. A child is balancing a GIANTlollipop on the end of her finger.

a. What is the moment of inertiaof the lollipop about the endbalanced on the childs finger?

b. If the child holds the lollipop from the end of the stick atand angle of 30o abovethe horizontal, what are the forcesthey mustexert on the stickto keep it in equilibrium?

c. If the childlets loose her grip so that the lollipop beginsto rotatein her handfrom the 30o position, what is theinstantaneous angular acceleration of the lollipop?

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