( work ( ( is ( ( defined ( as ( ( ( ( the product ) ( of force ) ) and ) ( ( the distance ) ( an ( object moves ) ) ) ) ) ) ( in ( ( the direction ) ( of ( the force ) ) ) ) ) ) . ) )
(ROOT (S (NP (NN work)) (VP (VBZ is) (VP (VBN defined) (PP (IN as) (NP (NP (NP (DT the) (NN product)) (PP (IN of) (NP (NN force)))) (CC and) (NP (NP (DT the) (NN distance)) (NP (DT an) (NN object) (NNS moves))))) (PP (IN in) (NP (NP (DT the) (NN direction)) (PP (IN of) (NP (DT the) (NN force))))))) (. .)))
work is defined as the product of force and the distance an object moves in the direction of the force.
(ROOT (S (PP (IN In) (NP (NN physics))) (, ,) (NP (NN work)) (VP (VBZ means) (S (NP (NP (DT the) (NN use)) (PP (IN of) (NP (NN force)))) (VP (TO to) (VP (VB move) (NP (DT an) (NN object)))))) (. .)))