( This ( ( ( leads ( to ( ( the definition ) ( of work ) ) ) ) ( as ( force ( times distance ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ leads) (PP (TO to) (NP (NP (DT the) (NN definition)) (PP (IN of) (NP (NN work))))) (PP (IN as) (NP (NN force) (NNS times) (NN distance)))) (. .)))
This leads to the definition of work as force times distance.
(ROOT (S (NP (NNP Force) (NNS times) (NN distance)) (VP (VBZ is) (NP (NP (DT the) (NN equation)) (PP (IN for) (NP (NN work))))) (. .)))