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Loop the Loop
# 1M40.20


Description: Release the ball near the top of the track. Energy losses make the minimum height (necessary to complete the loop) significantly higher than the calculated value.

Instructions:

Parts: loop the loop, small balls

Purchased/Built: built

Setup Time: 5 min

Quant. in Demo Room: 1

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 06-09 A rolling ball must be released at 2.7 times the radius of the loop.
Hilton M-16b.2 Standard loop the loop.
Sutton M-157 A ball rolls down an incline and then around a vertical circle.
Meiners 12-5.7 An apparatus to do the loop the loop quantitatively. Construction details in appendix, p.589.
Freier and Anderson Mm-5 A steel ball is rolled down an angle iron bent to form a incline and loop.
The Physics Teacher TPT 15(6),368 How to make an inexpensive loop the loop from vinyl cove molding.
The American Journal of Physics AJP 30(5),336 Apparatus Drawings Project No. 26: The vertical circle is made by flexing a thin stainless steel strip in a framework of plexiglass.

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