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Astronomical Tides. I just took the Ocean's test.

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11y ago

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When gravitational forces are compared with electrical forces you find that?

Electrical or magnetic forces are far more powerful than gravitational forces, but diminish far more rapidly with increasing distances. Over ranges of a few centimeters to a couple of meters, electrical forces are quite powerful, but for distances of hundreds or thousands of kilometers, electrical forces are vanishing small. Gravitational forces are weaker, but the diminishing effect with distance is much less. So over interplanetary or interstellar distances, gravity is the ONLY force of any importance.


What caused the great valley?

Geologists think that the Great Rift Valley was caused by violent underground forces. Perhaps underground earthquakes and plate movement.


How are low tides formed?

The Moon's Gravity Causes the waves to form.


How can a nebula become unstable?

A nebula is a cloud of dust and gas. I'm not sure exactly what you mean by "unstable" in this context, since I don't know what you consider "stable". Nebulae are dynamic, changing in response to gravitational forces and radiation pressure; the only way I can think of for one to be "stable" would be if the gravitational forces exactly balanced out the radiation pressure, which would just by the nature of things have to be metastable at best.


Differentiate waves and tides and differentiate neap tide and spring tide?

Wave is a movement in the water surface under vertical direction and is caused by wind. The stronger the wind is, so is the wave. Tide is a natural phenomenon, a regular and periodical oscillation of water. In theory, in terms of physical matter, tide is caused by the gravitational force of the moon and certainly by that of the sun as well. Neap tide is weak tide occurring when the gravitational forces of the moon and the sun are perpendiculare to one another. It occurs during quarter moons. Spring tide is strong time occurring when the earth, the sun and the moon are in a line. It occurs in the full and new moon.

Related Questions

Are inertial and gravitational acceleration equal?

No, inertial and gravitational acceleration are not equal. Inertial acceleration is caused by changes in velocity due to forces acting on an object, while gravitational acceleration is caused by the force of gravity on an object due to its mass.


Ratio of Inertial forces to drag forces is called which number?

The ratio of inertial forces to drag forces is called the Reynolds number. It is used in fluid mechanics to predict the transition from laminar to turbulent flow around an object.


What causes the tide to happen?

The gravitational pull from both the moon and Sun, combined with the inertial forces created by the Earth's motion, create the tides.


Are gravitational forces identical to electrostatic forces?

No, gravitational forces are caused by the mass of an object, while electrostatic forces are caused by the electric charge of an object. While both forces follow an inverse square law, they arise from different properties of matter.


What forces affect tides?

Tides are caused by the gravitational forces on Earth from the Moon and the Sun.


What values of froude number mean?

It is a dimensionless number that relates inertial to gravitational forces in the upstream flow. It is useful when looking at hydraulic jump (fluid dynamics)


The rise and fall in sea level caused by gravity is called?

The rise and fall in sea level caused by gravity is called a tidal cycle. Tides are caused by the gravitational forces of the moon and the sun acting on the Earth's oceans.


What are example of newton?

The newton is a unit of force. Examples of forces are gravitational force, electric forces, magnetic forces, forces caused by pressure.


What are ocean bulges caused by?

Ocean bulges are caused by gravitational forces from the Moon and Sun. These forces create a slightly elevated area of water in certain parts of the ocean, resulting in bulges that lead to phenomena like tides.


What forces the sea to go out?

The tides, for the most part, are caused my the gravitational influence of the moon


Do gravitational forces create high or low tides?

For Earth, both high and low tides are caused by the gravitational pull of the Moon.


What makes things stand still?

Things stand still when the forces acting on them are balanced, preventing any movement. This equilibrium can be achieved through a combination of gravitational, frictional, and inertial forces. If an object is not experiencing any external forces or if the forces acting on it cancel each other out, it will remain at rest.