4 Physics Tricks To Wow Your Friends

posted by Nora Drapalski - 

Remember that old Science teacher who told you physics is fun? Turns out, they're right!

Wow your friends with these simple tricks using things from around your house.

Fork & Toothpick Trick

Items needed:
2 forks
1 toothpick
1 glass
1 lighter

Forks and Toothpick Balance: classic "bar trick" where the forks seem impossibly suspended from the edge of the glass but are actually in a state of stable equilibrium with the center of mass of the toothpick/forks structure exactly below where the toothpick touches the glass. The flame dies out as the glass blocks oxygen and insulates the remainder of the pick from sufficient heat to ignite further. Incredible DIY physics toy. ➡️ Follow the link in my profile for info on where to buy many of these physics toys. #bartrick #physics #balance #centerofmass #equilibrium #physicstoy #stability #fork #science #barscience #scienceisawesome #DYI #flame #amazing

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Ring Catch Chain Trick

Items needed:
1 ring
1 chain

Ring Catch Chain Trick: a solid ring will be caught by a loop of chain if it tumbles during its fall. By Newton's Third law, when the ring twists into and hits the chain, the impact transfers momentum to the end of the chain, which rises up and over the ring- seen here in 480 fps slow motion. ➡️ Follow the link in my profile for info on where to get this device and many other amazing items featured here on @physicsfun #kineticenergy #torque #physics #physicstoy #angularmomentum #centerofmass #symmetry #ring #ringchain #science #scienceisawesome

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Centripetal Spheres Trick

Items needed:
2 ball bearings
1 rubber band

Centripetal Spheres: two ball bearings connected by a rubber band orbit each other as energy oscillates between elastic potential energy and rotation kinetic energy. Just wind up the rubber band and let go. When the rubber band has unwound the rotational inertia of bearings winds it back up until it changes direction. ➡️ Follow the link in my profile for info on where to get the supplies to make your own. #centripetal #physics #physicstoy #kinetic #kineticenergy #kineticart #elastic #elasticenergy #ballbearings #sphere #rotationalkineticenergy #angularmomentum #science #scienceisawesome

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Top & Paperclip Trick

Items needed:
1 magnetic top
1 paperclip

Paperclip Magnetic Top: the magnetic tipped top attaches to the perimeter of the paperclip- but since the top has much more mass, the paperclip is put into curious motion due to Newton's 3rd law and the top's rotational inertia. This transparent version allows full view of the moving clip. Patented in 1946 under the name Hoy-Poy Top, this antique kinetic art toy made it into my collection as a gift from the folks at @shirepostmint- thanks! ➡️ Follow the link in my profile for info on where to get tops like this one and many other physics toys featured here on @physicsfun #top #spinningtop #vintagetoy #newtons3rdlaw #physics #physicstoy #angularmomentum #relativemotion #magneticfield #magnetic #kineticart #science #centerofmass #magnetictop #scienceisawesome

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