A 2500-N pile-driver ram falls 10 m and drives a post 0.1 m into the ground. The average impact force on the ram is
A. 2,500 N.
B. 25,000 N.
C. 250,000 N.
D. 2,500,000 N.
Answer:C
A 2500-N pile-driver ram falls 10 m and drives a post 0.1 m into the ground. The average impact force on the ram is
A. 2,500 N. B. 25,000 N. C. 250,000 N. D. 2,500,000 N.