Comments on: Is a weight lifter lifting weights converting his work into kinetic energy? http://starworld2004.com/physics/is-a-weight-lifter-lifting-weights-converting-his-work-into-kinetic-energy.html/ News and Health Center Information Sun, 04 Oct 2009 08:40:56 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: wilsonr350 http://starworld2004.com/physics/is-a-weight-lifter-lifting-weights-converting-his-work-into-kinetic-energy.html/comment-page-1/#comment-664 wilsonr350 Tue, 09 Jun 2009 13:02:31 +0000 http://starworld2004.com/physics/is-a-weight-lifter-lifting-weights-converting-his-work-into-kinetic-energy.html/#comment-664 Not sure about the first one because it could be considered kinetic energy because the weights are moving, but potential energy makes more since yes the string has tension(force) upon on it which keeps the ball from flying away yes, its force times distance, there would be both in the x and y direction i don't understand the last question but if its the same bullet they have no kinetic energy Not sure about the first one because it could be considered kinetic energy because the weights are moving, but potential energy makes more since

yes the string has tension(force) upon on it which keeps the ball from flying away

yes, its force times distance, there would be both in the x and y direction

i don’t understand the last question but if its the same bullet they have no kinetic energy

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