Science Lever and Pulley/ Pulley
Created by ftbrady
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the fixed point which a lever turns on is called
fulcrum
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other than multiplying a force, what else can levers do
change the direction of a force
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how would you determine what class a lever is
look in the middle and be FRE; fulcrum in middle=class 1, resistance in middle = 2; effort in the middle = class 3
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what happens to the force needed to move an object as you increase the length of effort arm
force needed would decrease as you increase the effort arm
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what would happen to the force required if you decreased the length of the effort arm?
the force needed would increase
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ALL LEVERS make work easier
false; the 3rd class lever does not make work easier; They give you increased speed
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pulleys can_____ a force or change is ______
direction