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 $



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