( Impulse ( ( is ( measured ( by ( ( the force ) ( multiplied ( by ( ( the change ) ( in time ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Impulse)) (VP (VBZ is) (VP (VBN measured) (PP (IN by) (NP (NP (DT the) (NN force)) (VP (VBN multiplied) (PP (IN by) (NP (NP (DT the) (NN change)) (PP (IN in) (NP (NN time)))))))))) (. .)))
Impulse is measured by the force multiplied by the change in time.
(ROOT (S (NP (NNP Impulse)) (VP (VBZ is) (NP (NP (DT the) (NN quantity)) (PP (IN of) (NP (NP (NN force)) (VP (VBN multiplied) (PP (IN by) (NP (NP (DT the) (NN time)) (SBAR (S (NP (PRP it)) (VP (VBZ is) (VP (VBN applied)))))))))))) (. .)))