Spring acting on an object (dynamics)

flyingpig · Jul 25, 2011

Why do ideal springs stop at xf = 0? We have friction in this problem, does that mean it really doesn't stop at xf = 0, but xf < 0?

flyingpig · Jul 25, 2011

Femme you have a lot of interesting physics problems. I want your book lol

I like Serena · Jul 25, 2011

flyingpig said:

Why do ideal springs stop at xf = 0? We have friction in this problem, does that mean it really doesn't stop at xf = 0, but xf < 0?

Yes, you're right. :)
If the block is stopped by friction before xf = 0, then we will have xf < 0.
That's what you get for things not being ideal (since the problem is not "frictionless")! ;)

flyingpig · Jul 25, 2011

Is that also true for vertical springs?

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Spring acting on an object (dynamics)

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