Laws Of Motion Question 289
Question: A hammer weighing 3 kg strikes the head of a nail with a speed of $ 2m{{s}^{-1}} $ drives it by 1 cm into the wall. The impulse imparted to the wall is
Options:
A) 6Ns
B) 3Ns
C) 2Ns
D) 12 Ns
Show Answer
Answer:
Correct Answer: A
Solution:
[a] As we know,
$ | impulse | =| \text{change in momentum} | $
$ =|p _{2}-p _{1}|=|0-mv _{1}|=|0-3\times 2|=6Ns $
BETA
