( ( for example ) ( , ( ( ( the ( ( attraction or ) repulsion ) ) ( of two ) ) ( magnetically ( ( charged objects ) . ) ) ) ) )
(ROOT (S (PP (IN for) (NP (NN example))) (, ,) (NP (NP (DT the) (NN attraction) (CC or) (NN repulsion)) (PP (IN of) (NP (CD two)))) (ADVP (RB magnetically)) (VP (VBD charged) (NP (NNS objects))) (. .)))
for example, the attraction or repulsion of two magnetically charged objects.
(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.