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Essay on Tides


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Essay on Tides

What causes tides and why does the high tide occur later at Key West (Naval Base), Florida and even later at Cape Canaveral?

Tides are created by the unevenness between two forces, which are: Gravitational force of the Moon and Sun on Earth. If the mass increases then gravitational force increases, and if the distance increases then the gravitational force immensely decreases. The centripetal (center-seeking) force required to keep bodies in nearly circular orbits. The moon's gravitational force pulls on water in the oceans so that there are "bulges" in the ocean on both sides of the planet. The moon pulls water toward it, and this causes the bulge toward the moon. The bulge on the side of the Earth opposite the moon “pulling the Earth away” from the water on that side causes the moon.

(Oberrecht, 1997)

If you are on the coast and the moon is openly overhead, you should practice a high tide. If the moon is unswervingly overhead on the conflicting side of the planet, you should also experience a high tide. During the day, the Earth rotates 180 degrees in 12 hours. The moon, temporarily, rotates 6 degrees around the earth in 12 hours. The twin bulges and the moon's rotation mean that any given coastal city experiences a high tide every 12 hours and 25 minutes or so. (Vicki Stoodley)

Unusually, the tides at the Key West (Naval Base) are high (and also low) twice a day. If the gravity from the Moon, on the Moon's side of the Earth causes the tide to be high, then how can the tide be high when the moon is on the other side of the Earth? The Moon's gravity pulls directly toward the Moon, but it also pulls water toward an axis. That's a pretended line running through the center of the Moon and the center of the Earth.

Water is drawn toward the Moon and toward the axis line; thus, high tide on the side.............

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