Pen, Hoop, & Bottle

 

Pen, hoop and bottle demo picture

inertia hoop 2

  • Balance the hoop on the glass bottle as shown. Carefully
    place the marker on top of the hoop, directly over the mouth of the bottle.
    Swipe the hoop out from underneath the marker with one, quick, horizontal motion. Marker should fall directly into bottle.
  • The two tricks to doing this demo successfully are: 1) placing
    the marker directly over the mouth of the bottle, and 2) making quick, horizontal swipe.
  • The hoop is marked on the outer and inner rim to help with marker and hoop placement, and a plumb bob is suspended to indicate vertical.
    Practice a few times before using it in class. Make sure swiping motion is totally horizontal.
  • Located in L02, section B3.