inertial reference frame
- noun
- /ɪˈnɜrʃəl ˈrɛfərəns freɪm/
- Specialized
:
sistema de referencia inercial
- Understanding the concept of an inertial reference frame is crucial for solving problems in classical mechanics.
Examples
-
In physics, an inertial reference frame allows us to analyze motion without considering external forces.
-
As a result, the singularity forms a kind of boundary so that all inertial reference frames fall into one of two sets relative to some rest frame: those with a relative velocity less than c, and those with a relative velocity greater than c.
Blog text (2) -
We're doing coordinate transformations between inertial reference frames, OK.
-
So we had our fixed frame up there sitting on the ground here on the Earth is the Earth and inertial reference frame standing here observing things.
-
I'll call this point A in the center and I'm going to make my inertial reference frame X down the hill, Y perpendicular to the hill.
-
As a result of the correction, all clocks tell time in the same inertial reference frame: the Earth-centered inertial frame.
Academic text (1996) -
To avoid this problem, I recommended that the standards-bearers synchronize clocks in a non-rotating frame of reference: a freely falling, locally inertial reference frame attached to the center of Earth.
Academic text (1996) -
As the physicists explain in their paper, the Lorentz transformation is traditionally used in special relativity to reconcile different observations made by different observers in different inertial reference frames, and it applies to relative velocities less than the speed of light.
Blog text (2) -
According to Newton's first law, an object in an inertial reference frame will remain at rest unless acted upon by a force.
Synonyms
A point of view where objects stay still or move steadily unless a force acts
Surface Forms
Morphology
Although the parts ('inertial' = relating to inertia, 'reference frame' = a coordinate system for comparison) give a clue, the full technical meaning (the specific Newtonian condition that bodies remain at rest or move uniformly unless acted on) requires domain knowledge of physics. A B1 learner who knows the words would get a vague sense but would not reliably derive the precise definition, so the expression is only partially predictable.
Etymology
The noun inertial reference frame comes from the idea of a viewpoint called a reference frame where 'inertia' means an object keeps doing what it is doing unless something pushes it. That's why the term means a viewpoint where objects stay still or move in a straight line unless a force acts on them.
