Rigid, Non-Rigid and System of Rigid Bodies?

  1. Rigid, Non-Rigid and System of Rigid Bodies???

    1. The problem statement, all variables and given/known data
    Classify each of the following items as a rigid body, a system of rigid bodies, or a non-rigid body: a fishing pole, a diving board, a mechanical spring, a bowling ball, a baseball bat, a system of gears, a slider block system, and a construction excavator's arm

    2. Relevant equations

    A body is considered rigid if it does not deform when a force is applied.

    3. The attempt at a solution

    Here's what I think:

    Rigid Body:
    bowling ball

    System of Rigid Bodies:
    System of gears, slider block system, construction excavator's arm

    Non-Rigid Body:
    spring, fishing pole, diving board, baseball bat

    Please help me classify.
     
  2. jcsd
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