Laws Of Motion Question 37
Question: A ball of mass 150g starts moving with an acceleration of $ 20m/s^{2} $ . When hit by a force, which acts on it for 0.1 sec. The impulsive force is [AFMC 1999; Pb. PMT 2003]
Options:
A) 0.5 N-s
B) 0.1 N-s
C) 0.3 N-s
D) 1.2 N-s
Show Answer
Answer:
Correct Answer: C
Solution:
Impulse = Force x time = m a t $ =0.15\times 20\times 0.1=0.3N\text{-}s $
