( ( ( The ( ( push or ) pull ) ) ( between ( two magnets ) ) ) ( ( is ( called ( the ( magnetic force ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN push) (CC or) (NN pull)) (PP (IN between) (NP (CD two) (NNS magnets)))) (VP (VBZ is) (VP (VBN called) (NP (DT the) (JJ magnetic) (NN force)))) (. .)))
The push or pull between two magnets is called the magnetic force.
(ROOT (S (S (VP (VBG Increasing) (NP (NP (DT the) (NN distance)) (PP (IN between) (NP (DT the) (CD two) (NNS magnets)))))) (VP (MD will) (VP (VB cause) (NP (DT a) (NN decrease)) (PP (IN in) (NP (NP (DT the) (NN force)) (PP (IN of) (NP (NP (NN attraction)) (PP (IN between) (NP (CD two) (NNS magnets))))))))) (. .)))
Increasing the distance between the two magnets will cause a decrease in the force of attraction between two magnets.