( Using ( Moment ( of Inertia ) ) )
(ROOT (S (VP (VBG Using) (NP (NP (NNP Moment)) (PP (IN of) (NP (NNP Inertia)))))))
Using Moment of Inertia
(ROOT (S (NP (NNS Centrifuges)) (VP (VBP use) (NP (NN inertia)) (S (VP (TO to) (VP (VB perform) (NP (PRP$ their) (NN task)))))) (. .)))