On Wed, 16 Apr 2008 00:42:56 -0400, "Greg Neill"
wrote:

No, you use the shovel like a lever, with the fulcrum
being the edge or side of the hole you're digging.
Mechanical advantage then is given by the ratio of
the handle length to the length of the shovel face.

I tried that example 15 messages ago, with the bonus of a wrecking bar
added for good measure. G


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