Pulley w 3 masses

  • Thread starter aszymans
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  • #1
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Homework Statement




An green hoop with mass mh = 2.4 kg and radius Rh = 0.12 m hangs from a string that goes over a blue solid disk pulley with mass md = 2.4 kg and radius Rd = 0.11 m. The other end of the string is attached to a massless axel through the center of an orange sphere on a flat horizontal surface that rolls without slipping and has mass ms = 4.2 kg and radius Rs = 0.25 m. The system is released from rest.

1)What is magnitude of the linear acceleration of the hoop?


Homework Equations





The Attempt at a Solution



I have no idea, would love someone to explain all the very elementary steps, we have never even looked at taking the mass of the pulley into account!
 

Answers and Replies

  • #2
Doc Al
Mentor
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How would you solve it if the pulley were massless?
 

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