Strangely transparent human arm

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Question: A strangely transparent human arm is holding up a weight of mass m_w = 1.5kg. The sizes of the bones and attachment-points for the biceps muscle is shown in the figure. How much tension will the biceps muscle need to apply to the forearm to maintain the arm at 90 degrees?

The forearm weighs 1.0kg with its center-of-mass as shown in the figure

1832_center-of-mass.jpg

Reference no: EM13840720

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