CBSE Class 9 Answered
A hammer of mass 500g, moving at 50m/s, strikes a nail. The nail stops the hammer in a very short time of 0.01s. What is the force of the nail on the hammer?
Asked by dhanrajshivalekar | 13 Nov, 2018, 14:00: PM
We know,
F = m x a
a = (v-u)/t
F = m x (v-u)/t
Thus, F = 0.5 x (50-0)/0.01
F = 2500 N
Answered by Shiwani Sawant | 13 Nov, 2018, 15:35: PM
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