ACTION AND REACTION 



Inertia in a single Body. — Consequences of Inertia in two or more Bodies. — Examples. — Effects of 

 Impact. — Motion not estimated by Speed or Velocity alone. — Examples. — Rule for estimating the 

 Quantity of Motion. — Action and Reaction. — Examples of. — Velocity of two Bodies after Impact. — 

 Magnet and Iron. — Feather and Cannon-Bail impinging. — Newton's Laws of Motion. — Inutility of. 



