Figure 26: Yarn ripped slowly from tension force of weight
Conclusion
From the observations above, it quickly becomes clear that neither yarn or thread are feasible to
use in the pulley system. Yarn’s inherent feebleness and thread’s thin structure make both
materials unusable in our system. The rope we tested, on the other hand, was both strong and
easy to grip, making it the ideal material for our pulley system.
45