( You ( ( might ( recall ( that ( work ( ( is actually ) ( defined ( as ( ( the product ) ( of ( ( a force ) ( times ( a distance ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP You)) (VP (MD might) (VP (VB recall) (SBAR (IN that) (S (NP (NN work)) (VP (VBZ is) (ADVP (RB actually)) (VP (VBN defined) (PP (IN as) (NP (NP (DT the) (NN product)) (PP (IN of) (NP (NP (DT a) (NN force)) (PP (CC times) (NP (DT a) (NN distance))))))))))))) (. .)))
You might recall that work is actually defined as the product of a force times a 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))))) (. .)))