document.write( "Question 934736: A link is a system of rods and joints used to transmit motion. A four-bar linkage in which opposite links are of equal length is called a parallel motion linkage. Using the following diagram, explain why the connecting link will always move in such a way that it is parallel to the fixed link. An example of this kind of linkage is the rod on the wheels of a locomotive. In this case, the two wheels take the place of the driving link and the driven link. \n" ); document.write( "
Algebra.Com's Answer #568041 by Fombitz(32388)\"\" \"About 
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