mechanics.gif (9492 bytes)

UNIFORM BOARD ON TWO SCALES






EQUIPMENT
    redball.gif (326 bytes) 2 Spring Scales
    redball.gif (326 bytes) Board (inscribed in equal divisions)
    redball.gif (326 bytes) Hooks
    redball.gif (326 bytes) Various kg Weights
   


NARRATIVE
            Adjust the scales to zero before placing the board on them. The board is marked in equal divisions and the weight hangers with weights may be slid along it.