For a vivid demonstration of mechanical advantage and conservation of energy. Fitted with four coaxial pulleys of 35, 50, 65, and 105 mm diameter. The wheel is fitted with a ball bearing, which turns on a single steel rod. The apparatus can be held in place with a simple standard laboratory right angle clamp.
![Plumb with Line, 1002940 [U15015], Cord](/thumblibrary/U15015/U15015_01_140_140_Plumb-with-Line.jpg)
![Stability Apparatus -
correlation between stability and center of gravity, 1002950 [U15033], Statics](/thumblibrary/U15033/U15033_01_140_140_Stability-Apparatus-correlation-between-stability-and-center-of-gravity.jpg)
![Cord for Experiments, 1001055 [U8724980], Lever and Pulley - Accessory](/thumblibrary/U8724980/U8724980_01_140_140_Cord-for-Experiments.jpg)
![Spinal Column Chart, 4006657 [VR1152UU], Skeletal System](/thumblibrary/VR1152UU/VR1152UU_01_140_140_Spinal-Column-Chart.jpg)
![Shoulder and Elbow Chart, 4006658 [VR1170UU], Skeletal System](/thumblibrary/VR1170UU/VR1170UU_01_140_140_Shoulder-and-Elbow-Chart.jpg)
![Rods for charts, black, pair, 50 cm, 1002372 [VR999B], Chart accessories](/thumblibrary/VR999B/VR999B_01_140_140_Rods-for-charts-black-pair-50-cm.jpg)