Laws Of Motion Question 185
Question: In the above question, the impulse acting on the object is [CPMT 1971]
Options:
A)$ 120\ newton\times \sec $
B) $ -120\ newtont\sec $
C) $ 30\ newton\times \sec $
D) $ -30\ newton\times \sec $
Show Answer
Answer:
Correct Answer: B
Solution:
Impulse = Force x Time = $ -30\times 4=-120 $ N-s