Source / pinned edition
Invariance of Physical Laws
Source of package openstax.relativity · OpenStax University Physics, ch. 5 Relativity, module m58556
- work
- urn:openstax:clir:relativity#M58556
- number
- OpenStax University Physics, ch. 5 Relativity, module m58556
- kind
- urn:openstax:clir:relativity#treatise
m58556/index.cnxml at commit d0ed34a (main, 2026-06-11)
- edition
- urn:openstax:clir:relativity#M58556_MAIN
- language
- en
- officiality
- official
- materialisation
- PINNED_OFFICIAL_BYTES
- life cycle
- adopted: 2026-06-11
Publications
| URI | Type | documentHash | Retrieved |
|---|---|---|---|
| https://raw.githubusercontent.com/openstax/osbooks-university-physics-bundle/d0ed34a5851119a42e3d972dfc0ff49e4663977c/modules/m58556/index.cnxml | application/xml; charset=utf-8 | sha256:1b6da9418a8ffca50fc81dd9996ff9e7c9d14dedb8f7163202ae3c25b78cd518 | 2026-09-06T00:00:00Z |
Fragments — 6
module/m58556#fs-id1167793984547 · defn · referenced by: 1
en · official · sha256:06d2fdda9f5f5de34835f30753791c9b2124d013144dcad8f8b257584db8c07a
<definition id="fs-id1167793984547">
<term>first postulate of special relativity</term>
<meaning id="fs-id1167794139578">laws of physics are the same in all inertial frames of reference</meaning>
</definition>Referencing norms: FirstPostulateHoldsInInertialFrames
module/m58556#fs-id1167793787576 · defn · referenced by: 1
en · official · sha256:99ba84fd91f0fa2138bac19a23200a3a8a0dec0e0ccfa5fd7e442e6900ea7239
<definition id="fs-id1167793787576">
<term>Galilean relativity</term>
<meaning id="fs-id1167793261076">if an observer measures a velocity in one frame of reference, and that frame of reference is moving with a velocity past a second reference frame, an observer in the second frame measures the original velocity as the vector sum of these velocities</meaning>
</definition>Referencing norms: GalileanAdditionForLightIsRefuted
module/m58556#fs-id1167793363172 · defn · referenced by: 3
en · official · sha256:6d73d84464dbdc0365cded5b6958131d30336e896590fea7d18c392b98543a18
<definition id="fs-id1167793363172">
<term>inertial frame of reference</term>
<meaning id="fs-id1167794142311">reference frame in which a body at rest remains at rest and a body in motion moves at a constant speed in a straight line unless acted on by an outside force</meaning>
</definition>Referencing norms: FirstPostulateDoesNotHoldInAcceleratingFrames, declared_accelerating, declared_inertial
module/m58556#fs-id1167794137438 · defn
en · official · sha256:fe30b767bfacf6ecd96bd9d9bc87d007d7fd27230f207691e3ea966ee0d09ac2
<definition id="fs-id1167794137438">
<term>rest frame</term>
<meaning id="fs-id1167793750803">frame of reference in which the observer is at rest</meaning>
</definition>module/m58556#fs-id1167793241040 · defn · referenced by: 3
en · official · sha256:493b7cfac1caf07f9daf1eb505e9a814dd80808440264d0cbefc767df2f64a8f
<definition id="fs-id1167793241040">
<term>second postulate of special relativity</term>
<meaning id="fs-id1167793383391">light travels in a vacuum with the same speed <emphasis effect="italics">c</emphasis> in any direction in all inertial frames</meaning>
</definition>Referencing norms: SecondPostulateAgrees, SpeedOfLightFromSiTable, light_speed_claimed_in
module/m58556#fs-id1167794207045 · defn
en · official · sha256:adcf7a31067ea8b44dc8dc4aa24edcff6bf0a50f2684274f688c5e7a817b4940
<definition id="fs-id1167794207045">
<term>special theory of relativity</term>
<meaning id="fs-id1167794188118">theory that Albert Einstein proposed in 1905 that assumes all the laws of physics have the same form in every inertial frame of reference, and that the speed of light is the same within all inertial frames</meaning>
</definition>The hash beside the text is the sha256 of its exact bytes. It is the check that the text shown matches the one pinned in the package: a divergence fails the oracle’s static analysis.