Simple Machines: Pulleys
The hanging mass is a 500 g mass. Each pulley is massless. There is a small amount of friction in the system. Move the spring scale up and down.
Number of Pulleys: 1

Simple Machines: Pulleys by Alyssa J. Pasquale, Ph.D. is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.