In physics, what does an inertial frame mean?
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The reason this is tricky is because all of Newton's Laws together define inertial frames, as "a state of motion from which Newton's laws are observed to hold." Newton made a theory, and it is an observed fact that for certain states of motion, Newton's laws hold. Further, if they hold for one observer, then any observer moving at constant velocity relative to that one is also defining another inertial frame.
Think of it as a set of coordinates, where you don't feel acceleration if you're moving with it, and objects with no observed forces don't accelerate.
Think of it as a set of coordinates, where you don't feel acceleration if you're moving with it, and objects with no observed forces don't accelerate.
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An inertial frame of reference (also inertial reference frame or inertial frame or Galilean reference frame) is a frame of reference that describes time homogeneously and space homogeneously, isotropically, and in a time independent manner.[1] All inertial frames are in a state of constant, rectilinear motion with respect to one another; they are not accelerating (in the sense of proper acceleration that would be detected by an accelerometer).
Also like a coordinate system in which Newton's first law of motion is valid.
Or also, A reference frame in which the observers are not subject to any accelerating force. time measurements in inertial frames that are not at rest with respect to each other are not equivalent; each inertial frame must have its own time coordinate, the value of which is the time as read off a standard clock at rest in that frame.
Oh and we all know you can't just RANDOMLY give any of us yahoo answers.. well I don't think you can. And why is this so critical to know? Why not just "Google" yourself? oh I donno take out a dictionary and flip through it? :S
Also like a coordinate system in which Newton's first law of motion is valid.
Or also, A reference frame in which the observers are not subject to any accelerating force. time measurements in inertial frames that are not at rest with respect to each other are not equivalent; each inertial frame must have its own time coordinate, the value of which is the time as read off a standard clock at rest in that frame.
Oh and we all know you can't just RANDOMLY give any of us yahoo answers.. well I don't think you can. And why is this so critical to know? Why not just "Google" yourself? oh I donno take out a dictionary and flip through it? :S
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A reference frame in which the observers are not subject to any accelerating force. In Special Relativity, time measurements in inertial frames that are not at rest with respect to each other are not equivalent; each inertial frame must have its own time coordinate, the value of which is the time as read off a standard clock at rest in that frame. Also called inertial frame of reference , inertial reference frame, inertial system .
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A Frame of Reference that is NOT being accelerated ( includes gravity)
A Frame of Reference that is motionless or moving at constant velocity ( meets the requirements of Newton's First Law)
A Frame of Reference that is motionless or moving at constant velocity ( meets the requirements of Newton's First Law)
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inertial frame is non accelerating frame and usually earth is the inertial frame
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a coordinate system in which Newton's first law of motion is valid. More »
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It means "your ***"