Respuesta :
Answer:
Therefore, the ratio of the mass of bar B to the mass of bar A (Mb/Ma) is 1/2.
Explanation:
To find the ratio of the mass of bar B to the mass of bar A (Mb/Ma), we can use the principle of center of mass.
1. Since the center of mass of the three-rod system is shown above and the rods have a uniform mass distribution, the center of mass will be located at the midpoint of the system, which is the point between A and B.
2. As both A and C have a mass of M, the center of mass will be closer to A than to B. This implies that bar A has more mass than bar B.
3. Let's assume the length of each rod is L. Since all rods are of equal length and have a uniform mass distribution, the mass of each rod can be calculated as M/L.
4. The ratio of the mass of bar B to the mass of bar A (Mb/Ma) can be calculated as follows:
Mb/Ma = (Mass of bar B) / (Mass of bar A)
Mb/Ma = (M/L) / (2M/L) [As bar A has twice the mass of bar B]
Mb/Ma = 1/2
Therefore, the ratio of the mass of bar B to the mass of bar A (Mb/Ma) is 1/2.