The Leaning Tower of Pisa is 55 m tall and about 7.0 m in diameter. The top is 4.5 m off center. Is the tower in stable equilibrium? If so, how much farther can it lean before it becomes unstable? Assume the tower is of uniform composition.
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It is given that the top is 4.5 m off-centre. It is considered that the centre of gravity will lie at the centre of the tower. The diameter of the tower is 7 m. Then, the centre of mass will move 3.5 m off from the tower centre. It will remain over the base.