Help w. Rope, Pulley model in MS Physics

I have downloaded Numa Noxchi’s “Pulley” from the Warehouse and am trying to use it with MS Physics to simulate actual pulling of a load in my overall 2016 model. But since all Sketchup models are just “smoke,” the rope simply cuts through the pulley under load. How do I create mechanically resistive substance in the rope and pulley (and also how modify rope path in “Pulley”)?

Jim (a beginner)

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