Praxis II Physics Content Knowledge Exam Prep

Category - Praxis II Physics Content Knowledge Test Prep

What is a lever?

  1. A rigid bar that revolves around a fixed point
  2. The pivot point between force and resistance
  3. The distance from the axis to the resistance
  4. A force that overcomes gravity around the base of support
Explanation

Answer: A - A lever is a rigid bar that revolves around a fixed point or axis. The lever is used to describe motion around joints in many exercises as they progress from start to finish in reference to the force required to perform the motion.

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