Inertia

Inertia

1. Definition

   • Resistance to change in state (of rest or motion)

2. Depends on

   • Mass - Greater mass, greater inertia; smaller mass, smaller inertia

3. Explains

   • If at rest, tend to stay at rest; if in motion, tend to stay in motion

4. How to analyze

   • 1.Determine relative mass, OR 2. Identify body set either to stop or to move, OR using both 1 & 2.

5. Application

   • Safety bely/Headrest, speed limit, dislodge ketchup sauce, dusting rug/blanket