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.