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Why trees sway in the wind


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blog-0136571001397178687.jpgWith spring weather finally here there are lots of trees that can be seen blowing in the wind. They do this because the wind pushes air molecules against the leaves and branches exerting a force on the trees pushing them to the side. The branches bend with the force of the wind then swing back oscillating in harmonic motion to gradually return to their equilibrium position. If trees did not oscillate they would snap more often because a greater force would be exerted over shorter distance and time (meaning power increases)

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