n. any of six or more elementary mechanisms as the lever and the wheel and axle and the pulley and the screw and the wedge and the inclined plane
Gary used a simple machine to perform the task.
Gary used a simple machine to perform the task.
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What simple machine did Stanley turn into so Arthur could move the rock to free Calamity?
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What simple machine do Eva and her clubmates make to move the boulder?
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lever; wheel; pulley; screw; wedge; inclined plane
hands
1 syllables
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