B. Impulse
Force
Time
Object/Body
(N)
(s)
Impulse
(N.s)
Weightlifter
Bird
300
2
600
75
9.0
Marble
0.65
3.9
pingpong ball
3.5
1.75
Concept Check:
4. Impulse is
acts.
5. Impulse is
change.
multiplied by the time it
to the momentum
6. If the stopping time is extended during
impact, the impact force is
Answer (1)
Answer:- Bird: 675 (N.s) - Marble: 2.31 (s) - Pingpong ball: 0.65 (N) 4.) Impulse is force multiplied by the time it acts. 5.) Impulse is equal to the momentum change. 6.) If the stopping time is extended during impact, the impact force is decreased.
