Which statement best describes the difference between moving and fixed position pulleys -moving pulleys are attached to the object and are stationary. fixed-position pulleys are connected to a fixed point and do not move -moving pulleys are attached to the object and move with the object. fixed-position pulleys are connected to a fixed point and do not move -moving pulleys are easier to use than fixed position pulleys -moving pulleys have more force than fixed-position pulleys
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Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions
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Which statement best describes the difference between moving and fixed position pulleys -moving pull...
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