Author Question: A 2500-N pile-driver ram falls 10 m and drives a post 0.1 m into the ground. The average impact ... (Read 56 times)

Mr3Hunna · **on:** Jul 29, 2018

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.

Question 2

If the speed of a bicycle is reduced to half before skidding to a stop, it will skid

A) one-eighth as far.
B) one-fourth as far.
C) one-half as far.
D) none of the above