( ( Since ( ( a pressure ) ( is ( defined ( as ( force ( applied ( on ( ( an ( area ( , ( or force ) ) ) ) ( per area ) ) ) ) ) ) ) ) ) ) ( , ( then ( work ( ( is ( pressure ( times ( ( ( a ( volume change ) ) , ) ( ( P ( -LRB- V ) ) final ) ) ) ) ) - ) ) ) ) )
(ROOT (S (SBAR (IN Since) (S (NP (DT a) (NN pressure)) (VP (VBZ is) (VP (VBN defined) (PP (IN as) (NP (NP (NN force)) (VP (VBN applied) (PP (IN on) (NP (NP (DT an) (NN area) (, ,) (CC or) (NN force)) (PP (IN per) (NP (NN area)))))))))))) (, ,) (ADVP (RB then)) (NP (NN work)) (VP (VBZ is) (NP (NP (NN pressure)) (PP (CC times) (NP (NP (DT a) (NN volume) (NN change)) (, ,) (NP (NP (NNP P) (-LRB- -LRB-) (NNP V)) (NP (JJ final))))))) (: -)))
Since a pressure is defined as force applied on an area, or force per area, then work is pressure times a volume change, P(V final -
(ROOT (S (NP (NN Pressure)) (VP (VBZ is) (VP (VBN defined) (PP (IN in) (NP (NN physics))) (PP (IN as) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NP (NN force)) (VP (VBG pushing) (PP (IN against) (NP (DT a) (VBN given) (NN area)))))))))) (. .)))