Which of the following levers would be best to use to move a specific object if your only objective was speed of the object's movement?
A. A second-class lever with a resistance arm of 10 and a force arm of 20
B. A first-class lever with a resistance arm of 10 and a force arm of 10
C. A third-class lever with a resistance arm of 20 and a force arm of 10
D. Each lever would be just as effective as the others
Answer: C
Health & Biomechanics
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