Overcoming 83076

A battering ram weighing 400 g falls from a height of 3 m. Upon impact, the stake hits a depth of 60 cm. What is the average force overcoming the soil resistance?

Correct answer:

F =  20 N

Step-by-step explanation:

m=400 g kg=400:1000  kg=0.4 kg h=3 m s=60 cm m=60:100  m=0.6 m g=10 m/s2  E=m g h=0.4 10 3=12 J E=W  W = E = F s  F=E/s=12/0.6=20 N



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