Reference frame vs coordinate system

I
Thread starter lriuui0x0
Start date Nov 1, 2021
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Coordinate Coordinate system Frame Frames of reference Reference Reference frame System

In summary: I'm not sure what you mean by "basis". A basis for a set of vectors in a vector space is a set of vectors such that every vector in the set can be written in terms of the members of the basis. In the case of the frame field, the basis would consist of the 4 vectors in the tangent space at that point. However, you don't need a basis for the frame field, since it is a mapping from a spacetime to 4 vectors.Is this concept related to inertial/non-inertial frame?No, the concept of the frame field is unrelated to the concepts of inertial/non-inertial frames.

Nov 16, 2021

lriuui0x0

PeterDonis said:

Can you give a link?

It's this book https://link.springer.com/book/10.1007/978-3-642-37276-6

<h2>1. What is the difference between a reference frame and a coordinate system?</h2><p>A reference frame is a set of axes or points used to describe the position and movement of objects, while a coordinate system is a mathematical system that assigns numerical values to points in space. In other words, a reference frame is a physical concept, while a coordinate system is a mathematical concept.</p><h2>2. How are reference frames and coordinate systems related?</h2><p>Reference frames and coordinate systems are closely related because they both provide a way to describe the position and movement of objects in space. A reference frame is typically defined within a coordinate system, and the coordinate system provides a set of rules for assigning numerical values to points within the reference frame.</p><h2>3. Can different reference frames use the same coordinate system?</h2><p>Yes, different reference frames can use the same coordinate system. For example, the Cartesian coordinate system can be used to describe the position of objects in both a stationary reference frame and a moving reference frame. However, the numerical values assigned to points within the coordinate system may differ depending on the reference frame being used.</p><h2>4. How do reference frames and coordinate systems affect measurements?</h2><p>Reference frames and coordinate systems can greatly impact measurements because they determine how we define and quantify the position and movement of objects. Using different reference frames or coordinate systems can result in different measurements for the same object. It is important to carefully consider the reference frame and coordinate system being used when making measurements.</p><h2>5. What are some examples of reference frames and coordinate systems?</h2><p>Examples of reference frames include a stationary frame attached to the Earth's surface, a frame fixed to a moving vehicle, and a frame attached to a person's body. Examples of coordinate systems include the Cartesian coordinate system, polar coordinate system, and spherical coordinate system. Other examples include the geographic coordinate system used for mapping and the celestial coordinate system used for astronomy.</p>

1. What is the difference between a reference frame and a coordinate system?

A reference frame is a set of axes or points used to describe the position and movement of objects, while a coordinate system is a mathematical system that assigns numerical values to points in space. In other words, a reference frame is a physical concept, while a coordinate system is a mathematical concept.

2. How are reference frames and coordinate systems related?

Reference frames and coordinate systems are closely related because they both provide a way to describe the position and movement of objects in space. A reference frame is typically defined within a coordinate system, and the coordinate system provides a set of rules for assigning numerical values to points within the reference frame.

3. Can different reference frames use the same coordinate system?

Yes, different reference frames can use the same coordinate system. For example, the Cartesian coordinate system can be used to describe the position of objects in both a stationary reference frame and a moving reference frame. However, the numerical values assigned to points within the coordinate system may differ depending on the reference frame being used.

4. How do reference frames and coordinate systems affect measurements?

Reference frames and coordinate systems can greatly impact measurements because they determine how we define and quantify the position and movement of objects. Using different reference frames or coordinate systems can result in different measurements for the same object. It is important to carefully consider the reference frame and coordinate system being used when making measurements.

5. What are some examples of reference frames and coordinate systems?

Examples of reference frames include a stationary frame attached to the Earth's surface, a frame fixed to a moving vehicle, and a frame attached to a person's body. Examples of coordinate systems include the Cartesian coordinate system, polar coordinate system, and spherical coordinate system. Other examples include the geographic coordinate system used for mapping and the celestial coordinate system used for astronomy.