如果用星球表面为0势能面的话推导过程麻烦详细回答一下
追答F=Gm1m2/r²
Ep=∫(R,r)Fdr
=∫(R,r)Gm1m2(1/r²)dr
=Gm1m2∫(R,r)(1/r²)dr
=Gm1m2*(-1)*r^(-1) (R,r)
=Gm1m2*[(-1)*r^(-1)-R^(-1)]
=Gm1m2*[R^(-1)-r^(-1)]
(其中,R为星球半径,r>R)
F=Gm1m2/r²
Ep=∫(R,r)Fdr
=∫(R,r)Gm1m2(1/r²)dr
=Gm1m2∫(R,r)(1/r²)dr
=Gm1m2*(-1)*r^(-1) (R,r)
=Gm1m2*[(-1)*r^(-1)-R^(-1)]
=Gm1m2*[R^(-1)-r^(-1)]
(其中,R为星球半径,r>R)