12. Calculate the center of mass of a 4 m long aluminum bar with cross-sectional area of 4 cm x 4 cm if the rotation axis is located 1/3 of the distance from the left end of the rod.
12. Calculate the center of mass of a 4 m long aluminum bar with cross-sectional area of 4 cm x 4 cm if the rotation axis is located 1/3 of the distance from the left end of the rod.
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Transcribed Image Text:**Problem 12:**
Calculate the center of mass of a 4-meter-long aluminum bar with a cross-sectional area of 4 cm x 4 cm. The rotation axis is located at 1/3 of the distance from the left end of the rod.
**Diagram Explanation:**
The image shows a horizontal bar. A symbol indicating the rotation axis (an 'X' inside a circle) is positioned along the length of the bar, indicating that the axis is located one-third of the way from the left end of the rod.
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