英语翻译RT
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英语翻译RT英语翻译RT英语翻译RTI.Everyobjectinastateofuniformmotiontendstoremaininthatstateofmotionunlessanextern
英语翻译RT
英语翻译
RT
英语翻译RT
I.Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it.
II.The relationship between an object's mass m,its acceleration a,and the applied force F is F = ma.Acceleration and force are vectors (as indicated by their symbols being displayed in slant bold font); in this law the direction of the force vector is the same as the direction of the acceleration vector.
III.For every action there is an equal and opposite reaction.