Is the tangential acceleration of any point on Earth always 0?

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In summary, Normal/Tangential coordinates are a type of coordinate system used in mathematics and physics to describe the position of a point in a two-dimensional space. The normal coordinate represents the distance from the origin to the point, while the tangential coordinate represents the angle between a reference line and a line connecting the origin to the point. In physics, these coordinates are used to describe the motion of objects in circular or curved paths. They can also be extended to three-dimensional space by adding a third coordinate. Normal/Tangential coordinates have many real-world applications, including navigation, robotics, computer graphics, and engineering.
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600burger
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Using normal and tangential coord the the tangential acceleration of any point on Earth is 0, correct?
 
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  • #2
Normal and tengential, coord? I don't quite know what you mean by that, but you are right that since the Earth spins with a constant velocity, there will be no tangential acceleration.
 
  • #3


No, the tangential acceleration of any point on Earth is not necessarily 0. The tangential acceleration is the component of acceleration that is directed tangent to the Earth's surface, and it is dependent on the Earth's rotation. Therefore, the tangential acceleration can vary depending on the location and velocity of the point on Earth. However, at the Earth's poles, the tangential acceleration is 0 because the rotation of the Earth is perpendicular to the surface at those points.
 

1. What are Normal/Tangential coordinates?

Normal/Tangential coordinates are a type of coordinate system used in mathematics and physics. They consist of two coordinates, the normal coordinate (also known as the radial coordinate) and the tangential coordinate, which describe the position of a point in a two-dimensional space.

2. What is the difference between Normal and Tangential coordinates?

The normal coordinate represents the distance from the origin to the point in question, measured in a direction perpendicular to a reference line. The tangential coordinate represents the angle between the reference line and a line connecting the origin to the point.

3. How are Normal/Tangential coordinates used in physics?

In physics, Normal/Tangential coordinates are often used to describe the motion of an object in a circular or curved path. The normal coordinate represents the distance from the center of the circle or curve, and the tangential coordinate represents the angle of rotation around the center.

4. Can Normal/Tangential coordinates be used in three-dimensional space?

Yes, Normal/Tangential coordinates can be extended to three-dimensional space by adding a third coordinate, known as the binormal coordinate. This coordinate represents the direction perpendicular to both the normal and tangential directions.

5. Are Normal/Tangential coordinates used in real-world applications?

Yes, Normal/Tangential coordinates are used in many real-world applications, such as navigation, robotics, and computer graphics. They are also commonly used in engineering and physics to describe the motion of objects in circular or curved paths.

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