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

Name: 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
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Question

Quizplus · Accepted Answer

The work done by the ram is equal to the gravitational potential energy lost, which is 2500 N * 10 m = 25,000 J. This energy is used to drive the post 0.1 m into the ground, so the average impact force is 25,000 J / 0.1 m = 250,000 N.

A 2500-N Pile-Driver Ram Falls 10 M and Drives a Post