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Subjects
Science CBSE
Class 9
Force and laws of motion
Newton’s law of motion, Forces and its types
20.
Calculate the force
Exercise condition:
3
m.
A hammer of mass
400
\(g\), moving at
50
m
s
−
1
, strikes a nail. The nail stops the hammer in a very short time of
0.09
\(s\). What is the force of the nail on the hammer?
\(N\)
Important!
Note: Enter your answer with 2 decimal digits.
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