( ( In physics ) ( , ( work ( ( is ( when ( ( a force ) ( acts ( upon ( ( an object ) ( resulting ( in ( ( the displacement ) ( of ( the object ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NN physics))) (, ,) (NP (NN work)) (VP (VBZ is) (SBAR (WHADVP (WRB when)) (S (NP (DT a) (NN force)) (VP (VBZ acts) (PP (IN upon) (NP (NP (DT an) (NN object)) (VP (VBG resulting) (PP (IN in) (NP (NP (DT the) (NN displacement)) (PP (IN of) (NP (DT the) (NN object)))))))))))) (. .)))
In physics, work is when a force acts upon an object resulting in the displacement of the object.
(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)))))) (. .)))