FeaturedPhysics

The Physics Philes, lesson 94: Sinusoidal Infection

Last week we started talking about mechanical waves. Now that we have some of the essential knowledge under our belts, let’s dig in a little deeper. It’s time to start talking about periodic waves. A note: Everything you’re about to read goes for both transverse and longitudinal waves. But it’s …

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FeaturedPhysics

The Physics Philes, lesson 82: Swing, Swing, Swing

We’ve been discussing simple harmonic motion for the past several weeks. Simple harmonic motion, if you’ll remembers, is an oscillation with a restoring force that is directly proportional to the displacement from the equilibrium. Hardly anything actually moves in SHM, but a lot of things move in approximately SHM, so …

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FeaturedPhysics

The Physics Philes, lesson 81: Expanding the Reach of SHM

In case you’re just joining us, we’ve been exploring simple harmonic motion. So far the only situation we’ve looked at so far is a body attached to an idea spring on a frictionless surface. However, there are such things as vertical and angular SHM, as well. That’s what I’ll be …

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The Physics Philes, lesson 80: Oscillation, Conservation, Physics-ification!

We’ve learned a lot about simple harmonic motion over the past several weeks. We’ve learned how to find the velocity, acceleration, and displacement of an object in SHM. Now we need to integrate energy into our understanding. Let’s think about our object oscillating at the end of a spring. The …

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