EDITOR’S NOTE: Welcome to today’s guest writer, Stephen.
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Helicopters are fascinating creatures. One of their distinguishing features is their ability to hover in place. This is essentially accomplished through a torque and force balance. For the forces we must look at Newton’s second law of motion:
Notice the arrows on top of the force and acceleration terms. [...]

Categories: In-Depth Articles
Tags: Force, Helicopter, Rotor
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Have you ever driven a car that vibrated uncontrollably at certain driving speeds, especially on the highway? If you have, you probably noticed that these large vibrations occur when you drive at one specific speed, as shown on your speedometer, and the vibrations die out when you travel a little lower or higher than that [...]

Categories: In-Depth Articles, Tips
Tags: Cars, Dynamics, Rotor, Wheel
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