The first two influence the spring or neap tides by, in certain orbital positions, acting together or in other positions counteracting each other's gravity.
Ezi zimbini zokuqala ziphembelela inttakohlaza okanye ukuzala nokurhoxa okuncinci enyakeni, ngezinye indawo zomjikelo, zisebenza kunye okanye kwezinye izithuba zisebenzisana nobunzima ngabunye.