ocr: How much pull does it take to pull a pulley? When you pull on a rope passing through pulleys, you are said to be doing work. When you do work, you use up energy. This is why work and energy are measured in the same units, joules. There 1S an easy way to calculate the amount of work you do when you pull on a rope in a pulley system. You simply multiply the force with which you pull by the distance that you move the endof the rope. Work == Force X Distance
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