( ( WEIGHT Weight ) ( ( is ( ( a ( downward force ) ) ( due ( to ( ( ( ( the mass ) ( of ( an object ) ) ) and ) ( ( the acceleration ) ( of gravity ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP WEIGHT) (NNP Weight)) (VP (VBZ is) (NP (NP (DT a) (JJ downward) (NN force)) (ADJP (JJ due) (PP (TO to) (NP (NP (NP (DT the) (NN mass)) (PP (IN of) (NP (DT an) (NN object)))) (CC and) (NP (NP (DT the) (NN acceleration)) (PP (IN of) (NP (NN gravity))))))))) (. .)))
WEIGHT Weight is a downward force due to the mass of an object and the acceleration of gravity.
(ROOT (S (NP (NNP Weight)) (VP (VBZ is) (NP (NP (DT the) (NN force)) (PP (IN of) (NP (NN gravity))))) (. .)))