物理学 第五版 2-1牛顿定律 当物体的质量一定时,加速度大小与力成正比 When mass of object is constant, the size of acceleration is proportional to force m=C,a FI 2、当力恒定时,加速度大小与质量成反比。 When force is constant, the size ofacceleration is inversely proportional to mass of object 2 a∞ 质量是描述物体惯性大小的量度。 Mass is measurement described for the size ofobject inertia 第二章牛顿定律 5/16第二章 牛顿定律 物理学 第五版 2-1 牛顿定律 5/16 1、当物体的质量一定时，加速度大小与力成正比。 质量是描述物体惯性大小的量度。 2、当力恒定时，加速度大小与质量成反比。 When mass of object is constant, the size of acceleration is proportional to force When force is constant, the size of acceleration is inversely proportional to mass of object m  C , | a | | F |   1 F C ,| a | m      Mass is measurement described for the size of object inertia