I got semi owned by that quiz the other day about the pendulum. And pendulums! Look! That peace thing was one. Albeit with two strings rather than one (technically it is one, but I like to think otherwise). Even though these things are challenging, they sure are a lot better than the liver I'm dealing with now in Bio. My hands are going to stink for awhile... Why are my eyes blue? It's unnerving... So I found this 'physics' in Chinese class as it was dangling down my shirt. I guess it was random... but it does demonstrate the concept of tension and the tension and the weight being equal. The string exerts tension upward while the weight of the peace exerts a force downward. Imagine if the tension was less. Then the peace would bounce around! Wooohhoooo! Uhhh... I banged my hand against a big piece of chocolate during containment today, now it has a bruise. Was that caused by the pushing of the chocolate against my hand? Or was it just my stupidity? We'll never know...
Today I was at Hamilton Library and I rode the elevator, which had insane acceleration. Right after the elevator started moving, I felt really light as the normal force increased. When it slowed to a stop, I felt really heavy as the normal force decreased. I thought about doing the free body diagram with my hands, but there was no one else in the elevator...
Pencils... As I was doing (catching up with last week) physics homework this afternoon, I thought about how the pencil writes. The amount of pressure put on the paper by the pencil multiplied by the coefficient of kinetic friction determines how dark the ink is. If the coefficient of friction was lower, I'd have to apply much more pressure on the pencil to get the graphite to rub off, possibly creating a hole. I love friction. Oh look! It's the problem set! I had great fun with that...
