During a brief collision in which a small ball strikes and sticks to one end of a…

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Energy and Momentum of Rotating Systems · Energy and Momentum of Rotating Systems

Problem

During a brief collision in which a small ball strikes and sticks to one end of a rigid rod that is free to rotate about a frictionless pivot at its center, which physical quantity must remain the same before and after the collision when calculated about the pivot?

Related theory

Browse the problem library