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Roller Coaster Inside a Balloon (May 3, 2014)
Description
A fascinating physics demonstration of circular motion and centripetal force using nothing more than a coin and a balloon. With a quick rotation, the coin begins to "ride" the inner walls of the balloon much like a roller coaster, providing a clear look at the effects of friction and the various forces acting upon an object in motion.
Original title
רכבת הרים בתוך בלון (3 במאי 2014)
הדגמה פיזיקלית מרתקת של תנועה מעגלית וכוח צנטריפטלי באמצעות מטבע ובלון. בעזרת סיבוב מהיר, המטבע מצליח "לרכוב" על דפנות הבלון בדומה לרכבת הרים, מה שמאפשר לבחון את השפעת החיכוך והכוחות הפועלים על גוף בתנועה.
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