Question

a 4 kg head of a sledgehammer is moving at 6m/s when it strikes a spike diving it into a log. The duration of the impact is 2ms. Find the time average of the impact force.

Answer 1

are u solving?

Answer 2

coz gotta go to sleep its 12:00 in india

Answer 3

Force= (change in momentum)/time
Here, initial momentum= 4*6=24 kg m/s
Final momentum=0
time= 2m sec
so, force= (24-0)/(2*10^-3) = 12000 N

Answer 4

got it ty bro

Answer 5

Quick response indeed!