WHEEL & AXLE DEMONSTRATION MODEL
When a cord goes over a pulley, the force it applies changes direction. In this device, an axle is attached for winding up the cord and the cord goes over a pulley, changing the direction of this force. You can easily see the application of this principle on cranes and other machines.This classic wooden model offers children a basic concept of the laws of physics. Demonstration sized.
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When a cord goes over a pulley, the force it ap
Use this wooden demonstration model to illustra