Chapter 7: Q26Q (page 170)
Show on a diagram how your CM shifts when you move from a lying position to a sitting position.
Short Answer
The diagram showing the center of mass at lying and sitting positions is as given follows:
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Chapter 7: Q26Q (page 170)
Show on a diagram how your CM shifts when you move from a lying position to a sitting position.
The diagram showing the center of mass at lying and sitting positions is as given follows:
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When a person jumps from a tree to the ground, what happens to the momentum of the person upon striking the ground?
Three cubes, of side \({l_ \circ }\), \(2{l_ \circ }\), and \(3{l_ \circ }\), are placed next to one another (in contact) with their centers along a straight line as shown in Fig. 7–38. What is the position, along this line, of the CM of this system? Assume the cubes are made of the same uniform material.

FIGURE 7-38
Problem 52.
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