The fixed point around which a lever rotates is called the:, Fulcrum, A lever is in equilibrium when, Effort × effort arm = load × load arm, The mechanical advantage of a lever increases when the, Effort arm increases, Which lever never saves effort, Third-class lever, A rigid rod that moves around a fixed point to make work easier., A lever, The distance between the applied force and the fulcrum, Effort arm, The condition when the moment of effort equals the moment of load., The lever is at equilibrium ( balanced )

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Class of Levers
Class of Levers
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Mechanism and simple machines
Mechanism and simple machines
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(public) Balanced or unbalanced forces?
(public) Balanced or unbalanced forces?
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Simple Machines match up
Simple Machines match up
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Types of levers
Types of levers
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Year 3: Machine - Pulley
Year 3: Machine - Pulley
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Simple Machines Part 2
Simple Machines Part 2
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Levers
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