After reading Lee Jones message on this, I can clearly see I am wrong. Lee Jones put is so well that even I can see it now. Thanks Lee. Wrong Way Ray (Raymond Choat) ----- Original Message ----- From: "Roman Black" To: Sent: Saturday, September 22, 2001 3:22 AM Subject: Re: [EE]: Pulleys > Raymond Choat wrote: > > > > I may be wrong (my name is "wrong way ray" after all) but all pulleys would > > move same rate if the rope is same width its entire length. But I agree > > still they should not have common shaft. If the rope got rained on and part > > was in the sun and part was not, then the rope would not be the same > > thickness its entire length because of swelling (wet) or shrinking (dry). > > Wrong Way Ray (Raymond Choat) > > Sorry Ray, if the pulleys all moved at the > same rate there is no mechanical advantage > and the block and tackle doesn't work. :o) > -Roman > > -- > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > email listserv@mitvma.mit.edu with SET PICList DIGEST in the body > > > -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body