Proper frame, the Glossary

Table of Contents

1. 9 relations: Comoving and proper distances, Elevator, Frame of reference, Free fall, General relativity, Inertial frame of reference, Non-inertial reference frame, Proper reference frame (flat spacetime), Rest frame.

2. Frames of reference

Comoving and proper distances

In standard cosmology, comoving distance and proper distance (or physical distance) are two closely related distance measures used by cosmologists to define distances between objects.

See Proper frame and Comoving and proper distances

Elevator

An elevator (North American English) or lift (British English) is a machine that vertically transports people or freight between levels.

See Proper frame and Elevator

Frame of reference

In physics and astronomy, a frame of reference (or reference frame) is an abstract coordinate system whose origin, orientation, and scale are specified by a set of reference points―geometric points whose position is identified both mathematically (with numerical coordinate values) and physically (signaled by conventional markers). Proper frame and frame of reference are frames of reference.

See Proper frame and Frame of reference

Free fall

In classical mechanics, free fall is any motion of a body where gravity is the only force acting upon it.

See Proper frame and Free fall

General relativity

General relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics.

See Proper frame and General relativity

Inertial frame of reference

In classical physics and special relativity, an inertial frame of reference (also called inertial space, or Galilean reference frame) is a stationary or uniformly moving frame of reference. Proper frame and inertial frame of reference are frames of reference.

See Proper frame and Inertial frame of reference

Non-inertial reference frame

A non-inertial reference frame (also known as an accelerated reference frame) is a frame of reference that undergoes acceleration with respect to an inertial frame. Proper frame and non-inertial reference frame are frames of reference.

See Proper frame and Non-inertial reference frame

Proper reference frame (flat spacetime)

A proper reference frame in the theory of relativity is a particular form of accelerated reference frame, that is, a reference frame in which an accelerated observer can be considered as being at rest. Proper frame and proper reference frame (flat spacetime) are frames of reference.

See Proper frame and Proper reference frame (flat spacetime)

Rest frame

In special relativity, the rest frame of a particle is the frame of reference (a coordinate system attached to physical markers) in which the particle is at rest. Proper frame and rest frame are frames of reference.

See Proper frame and Rest frame

See also

Frames of reference

• Astronomical coordinate systems
• Breit frame
• Center-of-momentum frame
• Frame fields in general relativity
• Frame of reference
• Frame-dragging
• Geodetic datums
• Inertial frame of reference
• International Celestial Reference System and its realizations
• Local reference frame
• Moving frame
• Non-inertial reference frame
• Preferred frame
• Proper frame
• Proper reference frame (flat spacetime)
• Rest frame
• Rod and frame test
• Rotating reference frame
• Synchronous frame
• Terrestrial reference frame

References

[1] https://en.wikipedia.org/wiki/Proper_frame

Also known as Co-moving frame, Comoving frame.