( ( Angular momentum ) ( is ( related ( to ( ( angular velocity ) by ) ) ) ) )
(ROOT (S (NP (JJ Angular) (NN momentum)) (VP (VBZ is) (VP (VBN related) (S (VP (TO to) (VP (VB angular) (NP (NN velocity)) (PP (IN by)))))))))
Angular momentum is related to angular velocity by
(ROOT (S (NP (NNP Momentum)) (VP (VBZ is) (ADJP (RB directly) (VBN related) (PP (TO to) (NP (NP (DT both) (NN mass)) (CC and) (NP (NN velocity)))))) (. .)))