# Physics

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How will mechanical energy affect different points of oscillation on a vertical spring?

Well i know that mechanical energy is PE and KE...So when the spring is compressed the mechanical energy will equal the PE and when extended or stretched it will equal KE. Does that answer the question?

• Physics -

It is hard to answer you. The question is rather silly, in my opinion, I have no idea what the writer wanted.

The mechanical energy is constant, and at different points, the PE is different, and the KE is different, however, the sum is a constant.

• Physics -

okay so the mechanical energy is AlWAYS constant?

• Physics -

yes. KE+PE=constant

• Physics -

okay thanks

• Physics -

http://www.youtube.com/watch?v=sTsUx-6CflI

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