Fac=GmaMc/rac²
Fbc=GmbMc/rbc²
Fac:Fbc=GmaMc/rac²:GmbMc/rbc²
=(ma/mb):rac²/rbc²
=2700:400²
=2700:160000
=27:1600
如果本题有什么不明白可以追问,
Fac=GmaMc/rac²
Fbc=GmbMc/rbc²
Fac:Fbc=GmaMc/rac²:GmbMc/rbc²
=(ma/mb):rac²/rbc²
=2700:400²
=2700:160000
=27:1600
如果本题有什么不明白可以追问,