On 7 Sep 2004 at 11:36, Dave Kruger wrote: > 1. You can do work on the kayak by pressing on the foot pedals, > because as you pump against them (during stroking), the force exerted > times the distance the kayak (pedal) moves during that exertion > _relative to the paddler_ would constitute work done by the paddler > system on the kayak system. Which should be the same as the distance the whole kayak moves relative to the paddler. In other words, if your butt is moving, you are doing work. We're in agreement, but using different views. > 2. Righto re: stretching the kayak comment above. I should have > tightened that up and noted that it is the NET force your body exerts > on the kayak that accelerates it This wording would not have elicited a comment from me. In fact, I should have clarified by noting that if your original comment was not quite right, the part that was right was that your above explanation is implied. Pushing against the backband is just a waste of glycogen. Mike *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Tue Sep 07 2004 - 13:22:56 PDT
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