Cognitive Scaffold

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MENTAL MODEL · M3028

Equivalence Principle

Equivalence Principle
TechnicalHigh supportPhysics
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

Einstein pointed out that an observer at rest in a gravitational field and an observer accelerating in a gravity-free field cannot distinguish their physical experiences (inertial mass = gravitational mass).

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Perspective shift and insight into essence. It teaches us to seek the identity behind two seemingly completely different phenomena. By changing the reference frame, complex problems (such as gravity) can be simplified into more understandable ones (such as acceleration).

anchor

Anchor fast decisions

In physics, it refers to the local indistinguishability of a uniform gravitational field and an accelerating reference frame; methodologically, it extends to the idea that mechanisms from different sources can be treated equivalently if they produce the same observable effects.

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Equivalence_principleZH · Explicit
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