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Here is another way to visualize the forces -- turn the whole system upside-down: A #350 weight on the floor with a pulley attached to it. A cable anchored to the ceiling, running down through the pulley and then up into your hand. How hard do you have to pull on the cable, straight up, to lift the #350 weight? It's a simple block-and-tackle. Peter --------------------------------- to unsubscribe send mailto:[EMAIL PROTECTED] ==^================================================================ EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Sid.bAhN69 Or send an email To: [EMAIL PROTECTED] This email was sent to: [EMAIL PROTECTED] T O P I C A -- Learn More. Surf Less. Newsletters, Tips and Discussions on Topics You Choose. http://www.topica.com/partner/tag01 ==^================================================================
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