gc textbook chapter 8 Rotational Motion (id: 5c6ab6a10)

[问答题]
An Atwood’s machine frtzq(1uxmtmnz+70 tre,0z8conspybr97laut (j 7n*rhxd56mx -ists of two masses, $m_1$ and $m_2$ which are connected by a massless inelastic cord that passes over a pulley, Fig. 8–47. If the pulley has radius R and moment of inertia I about its axle, determine the acceleration of the masses $m_1$ and $m_2$ and compare to the situation in which the moment of inertia of the pulley is ignored. [Hint: The tensions $F_{T1}$ and $F_{T2}$ are not equal. We discussed this situation in Example 4–13, assuming for the pulley.]

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