| 释义 | Newtonian velocityNewtonian velocity[′nü′tō·nē·ən və′läs·əd·ē]  (mechanics) The velocity of an object in a Newtonian reference frame, S, which can be determined from the velocity of the object in any other such frame, S ′, by taking the vector sum of the velocity of the object in S ′ and the velocity of the frame S ′relative to S. |