It's the weakest of the 4 basic forces, but it's strong enough to keep the moon orbiting the Earth
... strong interaction, which is the force that, among other things, 
keeps... [DOC] [TLE] How can one say that gravity is a very weak force, when all the ... [PAR] Gravity is a weak force because the fundamental coupling constant, G, is very 
weak: about ... For example, gravitational waves are passing through us all the 
time, but ... That said, please let me know if this is grossly out of proportion for 
what it's ... Of the four basic forces (gravity, electro-magnetic, weak and strong 
nuclear),... [DOC] [TLE] Why does Gravity appear to have different effects at different ... [PAR] I can easily imagine how strong a force would have to be to keep a tiny object ...