高一物理关于万有引力公式的理解及用法.请教.最近学到这里,我有些不懂的地方,还望高手赐教啊.F=mv2/rv=2πr/T和开普勒行星运动第三定律T2=r3/k.牛顿用上面三个式子总结出F=4π2*k1*m/r2然后根据

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