1.

I know that the gravity of the moon causes ocean tides on earth.How does centrifugal force cause the far-side bulge?​

Answer»

The tidal BULGE on the far side of the earth is not caused by centrifugal force. It is caused by the exact same thing the near-side bulge is caused by: the MOON's gravity. Furthermore, tidal effects are not caused by the overall strength of gravity like planetary ORBITS are. Rather, tidal effects are instead caused by gravitational gradients, which are differences in gravity from one point on earth to the next. These differences in the gravitational field arise from the fact that the moon's gravity spreads out into space radially in all directions and weakens with DISTANCE. In FAT, both the sun's and the moon's gravity add together to create the tidal bulges.

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