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Test Refine Energy Device Practice Test
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Q1
Amir tested a lifting device that uses a motor to convert electrical energy into lifting motion; it lifted 50 g, but the goal was 150 g. Based on the results, what refinement would help meet the goal?
Amir tested a lifting device that uses a motor to convert electrical energy into lifting motion; it lifted 50 g, but the goal was 150 g. Based on the results, what refinement would help meet the goal?