"WardsSci100002"
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Simple Machines, Lever Model
Clearance
This wooden machine is elegantly designed and easy for students to use. Study levers and mechanical advantage both qualitatively and quantitavely.
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Simple Machines, Pulley Model
Clearance
This wooden machine has a sturdy wooden construction ideal for classroom use.
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Simple Machines, Simple Wedge Model
Clearance
This wooden machine is elegantly designed to demonstrate how a wedge can increase mechanical advantage.
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