Question

Which of the following is equal to an impulse of 15 units?

A) Force = 10, Time = 0.5
B) Force = 7.5, Time = 2
C) Force = 20, Time = 1.5
D) Force = 15, Time = 1.5

Answer 1

It totally depends on WHAT the units are.

IF the force is 7.5 Newtons AND the time is 2 seconds, THEN the impulse is 15 newton-seconds or 15 kg-m/sec. (choice-B)

If either of them isn't, then it isn't.

Answer 2

B) Force = 7.5, Time = 2 is equal to an impulse of 15 units