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英语翻译Hanging from one end of a light meter stick is a m1 = 1

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英语翻译
Hanging from one end of a light meter stick is a m1 = 1 kg weight and hanging from the other end is a m2 = 4 kg weight.
a.) Where is the center of mass of this system?
cm (from left end)
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We now hang the object from its center of mass-- which means it will stay level (since the center of mass is supported).If this is the case:
Please find the torque on each mass:
(Remember to use m,not cm.)
轻米尺一端悬挂了质量为m1=1kg的物体,另一端悬挂质量为m2=4kg的物体
a.该系统的重心在哪
cm(距离左边多远)
现以重心为悬挂点,把这一系统处悬挂起来——即系统仍能保持平衡(假设重心已知).在这种情况下:
请找出每个物体的臂距
(以m为单位,不要使用cm)