one fable-low hijack cell
pair accelerated / inertial
envelope en_bare_or
ordering BA
effort low
Bare English 'or' — '{X} or {Y}'
verdictpicked accelerated (first-offered)
· classifierA
· tiernone
response (200 chars)
**Inertial vs. accelerated (non-inertial) reference frames:**
**Inertial frame**
- Moves at constant velocity (or is at rest) — no acceleration
- Newton's first law holds: objects with no net force s
neighbors