Yes, along with the Sun. Just as the gravity of the Earth keeps you standing on the ground rather than flying out into space, the gravitational pull of the Moon and Sun affects the tides in the sea. It is obviously not strong enough to cause the water to fly off into space as the water is so close to the earth, but it does affect the tides by causing pull.
2006-07-23 01:40:57
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answer #1
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answered by Garth 6
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The word "tides" is a generic term used to define the alternating rise and fall in sea level with respect to the land, produced by the gravitational attraction of the moon and the sun. To a much smaller extent, tides also occur in large lakes, the atmosphere, and within the solid crust of the earth, acted upon by these same gravitational forces of the moon and sun.
Tides are created because the Earth and the moon are attracted to each other, just like magnets are attracted to each other. The moon tries to pull at anything on the Earth to bring it closer. But, the Earth is able to hold onto everything except the water. Since the water is always moving, the Earth cannot hold onto it, and the moon is able to pull at it. Each day, there are two high tides and two low tides. The ocean is constantly moving from high tide to low tide, and then back to high tide. There is about 12 hours and 25 minutes between the two high tides.
Tides are the periodic rise and falling of large bodies of water. Winds and currents move the surface water causing waves. The gravitational attraction of the moon causes the oceans to bulge out in the direction of the moon. Another bulge occurs on the opposite side, since the Earth is also being pulled toward the moon (and away from the water on the far side). Ocean levels fluctuate daily as the sun, moon and earth interact. As the moon travels around the earth and as they, together, travel around the sun, the combined gravitational forces cause the world's oceans to rise and fall. Since the earth is rotating while this is happening, two tides occur each day.
2006-07-23 03:43:17
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answer #2
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answered by plantladywithcfids 4
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Yes, it does. It basically works by the moon's gravity (and to a lesser extent, the sun's gravity). When the moon is straight above, it is high tide there + the opposite side of the earth. At the same time, at 90 degrees away from that on both sides, the earth will experience low tide. I will try to find a link for you in a minute that will explain it better than I can.
2006-07-23 01:44:20
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answer #3
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answered by Anonymous
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Every object has mass and therefore gravitation. If a body orbits the Earth, for instance, the closer it is, the faster it will orbit. Conversely, the more distant it is from the Earth, the slower it will orbit.
Now, the Earth is much larger than a single point, and when something the size of the Moon moves around it, the front is much closer and tries to orbit faster than the farther side. So the two faces of the Moon are trying to move at different speeds in its orbit- this effect is tidal force.
By the same token, the face of the Earth closest to the Moon has a faster orbital speed, and the face of the Earth farther from the Moon has a slower orbital speed. The ground, being solid, does not move much, but water does. So the water tries to move at a different speed than the ground, because it has a different orbital velocity, and that creates the tidal bulge of water on both sides of the planet.
2006-07-23 03:42:31
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answer #4
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answered by aichip_mark2 3
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The gravitational pull of the moon on the earth causes the tides.
I think it's pretty amazing that something 240,000 miles away up in space can make the water at the beach rise and fall so much, but it does!
See the references below for a more complete explanation and some of the fancy math involved.
2006-07-23 01:47:33
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answer #5
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answered by dougdell 4
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As the moon moves around the Earth, its mass directly affects the ocean. The moon's gravity attracts the ocean and causes it into an oval shape around the Earth. Whatever point the moon is closest to will have the highest tide.
2006-07-23 01:41:00
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answer #6
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answered by Anonymous
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Both the sun and the moons' gravitational pulls pull at the Earth. Because the crust of the Earth is solid and the water of the oceans is liquid we only notice the effects of the gravity on the water.
2006-07-23 04:55:43
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answer #7
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answered by rfliss 2
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All objects have gravity. Earth's gravity keeps the moon in orbit, similarly the moons gravity affects all things on earth and causes not only tides but also tetonic movements.
2006-07-25 02:08:01
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answer #8
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answered by si11y13yte 2
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Moon has gravity juz like earth. It can cause an pulling effect. Tink it may cause high tide?
2006-07-23 01:44:26
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answer #9
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answered by Anonymous
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People think its the water being pulled but its actually the earth tilting. imagine how a spirit level works or how the water in a glass stays in the same position even tho its tilted or twisted slightly. the moons magnetic pull causes the tilt
2006-07-23 01:49:44
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answer #10
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answered by chopps . 3
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