Quote:

the force that accelerated each of the 100 kg masses
was +80N x 1000 meters = +4000N

No. That quantity is 80,000Nm. Nm is not force. Actually it's energy. Using it as a force means everything else in your post will be meaningless so I didn't read it. Also the multiplication is done wrong.

Can you show your calculations step-by-step? Without missing any steps?


Last edited by kallog; 09/29/11 12:57 AM.