( ( ( Impulse and ) Momentum ) ( We ( ( can ( define ( ( ( a quantity ) , ) ( which ( we ( will ( call ( ( ( ( an Impulse ) , ) ( as ( a Force ) ) ) ( x ( ( a unit ) ( of time ) ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NNP Impulse) (CC and) (NNP Momentum)) (NP (PRP We)) (VP (MD can) (VP (VB define) (NP (NP (DT a) (NN quantity)) (, ,) (SBAR (WHNP (WDT which)) (S (NP (PRP we)) (VP (MD will) (VP (VB call) (X (NP (NP (DT an) (NN Impulse)) (, ,) (PP (IN as) (NP (DT a) (NNP Force)))) (NP (SYM x)) (NP (NP (DT a) (NN unit)) (PP (IN of) (NP (NN time)))))))))))) (. .)))
Impulse and Momentum We can define a quantity, which we will call an Impulse , as a Force x a unit of 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)))))))))))) (. .)))