( ( Integral ( of ( moment ( of ( ( a force ) ( with ( respect ( to time ) ) ) ) ) ) ) ) ( ( is ( angular impulse ) ) . ) )
(ROOT (S (NP (NP (NNP Integral)) (PP (IN of) (NP (NP (NN moment)) (PP (IN of) (NP (NP (DT a) (NN force)) (PP (IN with) (NP (NP (NN respect)) (PP (TO to) (NP (NN time)))))))))) (VP (VBZ is) (NP (NN angular) (NN impulse))) (. .)))
Integral of moment of a force with respect to time is angular impulse .
(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)))))))))))) (. .)))