The periodic rise and fall of large bodies of water due to the gravitational interaction between the earth and the Moon are called __________.

Question

anonymous · Answer

tides

anonymous · Answer

the phenomenon of tides can be best observed on afull moon day when the orientation of moon w.r.to earth gives maximum attraction

anonymous · Answer

also, i believe these forces are stronger when the moon is at perigee than at apogee because of its closer proximity to Earth.  someone more intuitive than me may want to verify this for us.