( ( A ( force ( times time ) ) ) ( ( ( is ( most appropriately ) ) ( called ( -LRB- ( ( a -RRB- ) ( ( ( a torque ) ( -LRB- ( b -RRB- ) ) ) ( ( ( an impulse ) ( -LRB- ( c -RRB- ) ) ) ( ( an ( angular momentum ) ) ( ( -LRB- ( d -RRB- ) ) ( ( a change ) ( in ( momentum 3 ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN force) (NNS times) (NN time)) (VP (VBZ is) (ADVP (RBS most) (RB appropriately)) (VP (VBN called) (S (-LRB- -LRB-) (NP (SYM a)) (-RRB- -RRB-) (NP (NP (NP (DT a) (NN torque)) (PRN (-LRB- -LRB-) (X (SYM b)) (-RRB- -RRB-))) (PP (NP (NP (DT an) (NN impulse)) (PRN (-LRB- -LRB-) (X (SYM c)) (-RRB- -RRB-))) (NP (NP (DT an) (NN angular) (NN momentum)) (NP (LST (-LRB- -LRB-) (LS d) (-RRB- -RRB-)) (NP (DT a) (NN change)) (PP (IN in) (S (VP (VBG momentum) (NP (CD 3)))))))))))) (. .)))
A force times time is most appropriately called (a) a torque (b) an impulse (c) an angular momentum (d) a change in momentum 3.
(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)))))))))))) (. .)))