( MOMENTUM ( ( ( The momentum ) ( of ( an object ) ) ) ( ( is ( calculated ( by ( ( multiplying ( its velocity ) ) ( by ( its mass ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB MOMENTUM)) (NP (NP (DT The) (NN momentum)) (PP (IN of) (NP (DT an) (NN object)))) (VP (VBZ is) (VP (VBN calculated) (PP (IN by) (S (VP (VBG multiplying) (NP (PRP$ its) (NN velocity)) (PP (IN by) (NP (PRP$ its) (NN mass)))))))) (. .)))
MOMENTUM The momentum of an object is calculated by multiplying its velocity by its mass .
(ROOT (S (NP (NNP Momentum)) (VP (MD can) (VP (VB be) (VP (VBN calculated) (PP (IN by) (S (VP (VBG multiplying) (NP (NP (NP (DT an) (NN object) (POS 's)) (NN mass)) (PP (IN in) (NP (NP (NNS kilograms)) (PRN (-LRB- -LRB-) (NP (NN kg)) (-RRB- -RRB-))))) (PP (IN by) (NP (NP (PRP$ its) (NN velocity)) (PP (IN in) (NP (NP (NNS meters)) (PP (IN per) (NP (NP (JJ second)) (PRN (-LRB- -LRB-) (NP (NN m/s)) (-RRB- -RRB-)))))))))))))) (. .)))