mechanics.gif (9492 bytes)

HANGING WEIGHTS WITH TWO SPRING SCALES





EQUIPMENT
    redball.gif (326 bytes) Rope
    redball.gif (326 bytes) Pulley
    redball.gif (326 bytes) 2 Spring Scales
  


NARRATIVE
             Two students may pull on the scales or they may be mounted to table posts.

            As Theta --> 90 degrees, the scales show increasing tension which approaches infinity.