They then investigated the subject of simple machines by comparing the work such machines could accomplish (Work = force X distance).
(They; investigated; the subject of simple machines; T:then) Context(They investigated,List([0, 22))):(They; investigated the subject of simple machines by comparing; the work such machines could accomplish (Work = force X distance)) (the work; could accomplish; such machines) Context(the work could accomplish,List([67, 106))):(such machines; Work; )
They investigated,List([0, 22)) the work could accomplish,List([67, 106))
They They the work such machines
investigated investigated the subject of simple machines by comparing could accomplish Work
the subject of simple machines T:then
the work such machines could accomplish (Work = force X distance)
such machines