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Physics
The average force necessary to stop a hammer with 25 Ns momentum in 0.5 s expressed in N is
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Q. The average force necessary to stop a hammer with 25 Ns momentum in 0.5 s expressed in N is
Laws of Motion
A
500
8%
B
125
13%
C
50
74%
D
25
5%
Solution:
Impulse = Change in momentum = Force $\times$ time i.e. Force = $\frac{Impulse}{time} = \frac{25}{0.5} $ = 50 N