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Study Guide Levers and Pulleys To study for your test, review over all of the quizzes. The questions on the quizzes mirror the test questions. Know the following for your test. Vocabulary and examples: fulcrum load class one lever systems class two lever systems class three lever systems Be able to draw the amount of Newtons used on a spring scale. Know which pulley system gives the greatest advantage of mechanical effort. Know how much effort is needed to lift a load in all of the pulley systems. Know how much distance is needed to lift a load in all of the pulley systems. Be able to draw and label a type one, two, and three lever system. Be able to look at an illustration of a lever system and tell which lever system would correctly illustrate the situation being asked. For instance: Which lever system is correct if the cat weighs less than the dog?