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In physics and astronomy, a frame of reference (or reference frame) is an abstract coordinate system whose origin, orientation, and scale are specified by a set of reference points ― geometric points whose position is identified both mathematically (with numerical coordinate values) and physically (signaled by conventional markers). [1]
Learn the meaning of frame of reference as a noun phrase, with synonyms and example sentences. Frame of reference can refer to a set of axes, ideas, or assumptions that determine how something is described or understood.
Learn what a frame of reference is and how to distinguish between inertial and non-inertial frames. Find out how to measure velocity, acceleration and displacement in different frames and see examples and FAQs.
Learn the meaning of frame of reference as a phrase and a noun in English, with examples and pronunciation. Find out how it is used in physics and in everyday language.
Learn how to use frames of reference to describe the motion of objects in different coordinate systems. Explore examples of 1D and 2D frames of reference, collisions, energy changes and inertial frames.
Learn how to measure position and motion with respect to different frames of reference, such as Earth, a car, or space. Watch a video and see examples, definitions, and questions from learners.
- 3 min
- Khan Academy