ACTION AID 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. 



