relative motion

American  

[rel-uht-iv moh-shuhn] / ˈrɛl ət ɪv ˈmoʊ ʃən /

noun

1. Physics. motion with reference to another moving or fixed body or to some fixed point.

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Example Sentences

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relative motion

The higher the temperature of the surfaces, the larger the amplitude of the synchronic fluctuations; the larger the contact area, the larger the number of surface fluctuations hindering the relative motion.

From Science Daily ● Jan. 17, 2024

So instead, we gather spectra of stuff in space to learn about their chemical composition, temperature, density, mass, distance, luminosity, and relative motion.

From BBC ● Mar. 3, 2020

This implies that distance, too, depends on the observer’s relative motion.

From Textbooks ● Aug. 12, 2015

Both special and general relativity had to be taken into account, since gravity and accelerations were involved as well as relative motion.

From Textbooks ● Aug. 12, 2015

Because of this relative motion, the particles can never stick together by their mutual gravity.

From "Cosmos" by Carl Sagan