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NPTE Physical Therapist Exam Review

Category - Physical Therapy

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In which type of lever are the applied and resistive forces on the same side of the fulcrum?

First class
Second class
Third class
Fourth class

Explanation

Answer: B - A second class lever exhibits the applied and resistive forces on the same side of the fulcrum. This causes the resistive force to act through a moment arm shorter than that of the applied force, which results in a mechanical advantage of more than one.

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