( ( The force ) ( ( is ( perpendicular ( to ( ( ( both ( the ( field lines ) ) ) and ) ( ( the direction ) ( of ( the ( moving ( electrical charges ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN force)) (VP (VBZ is) (ADJP (JJ perpendicular) (PP (TO to) (NP (NP (PDT both) (DT the) (NN field) (NNS lines)) (CC and) (NP (NP (DT the) (NN direction)) (PP (IN of) (NP (DT the) (VBG moving) (JJ electrical) (NNS charges)))))))) (. .)))
The force is perpendicular to both the field lines and the direction of the moving electrical charges.
(ROOT (S (SBAR (IN Since) (S (NP (DT the) (JJ electric) (NN field) (NNS lines)) (VP (VBP point) (ADVP (RB radially)) (ADVP (RB away) (PP (IN from) (NP (DT the) (NN charge))))))) (, ,) (NP (PRP they)) (VP (VBP are) (ADJP (JJ perpendicular) (S (VP (TO to) (VP (VB equipotential) (NP (NNS lines))))))) (. .)))