Regular OSCILLATION, for instance, by a particle in a solid, fluid or gas, displaced from its normal position or random motion, when the force required is proportional to the displacement. This motion ...
Bridges... bridges, bridges, bridges. We talk a lot about bridges in Physics. Why? Because there is A LOT of practical physics that can be learned from the planning ...
Everything is blocks on springs. Pull the block, let go, and, as far as friction-agnostic physicists are concerned, it bounds back and forth forever. So will a pendulum bob---not just in a similar-ish ...
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