Newton's first law of motion — An Etymological Dictionary of Astronomy and Astrophysics

Newton's first law of motion

نخستین قانون ِ نیوتنی ِ جنبش

naxostin qânun-e Newtoni-ye jonbeš (#)

Fr.: première loi newtonienne de mouvement

A body continues in its state of constant velocity (which may be zero) unless it is acted upon by an external force.

See also: → Newton; → first; → law; → motion.

An Etymological Dictionary of Astronomy and Astrophysics