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## Homework Statement

if a 10-N force is used to compress a spring with a spring constant of 4.0x10^2N/m, what is the resulting spring compression?

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- Thread starter kallied
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- #1

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if a 10-N force is used to compress a spring with a spring constant of 4.0x10^2N/m, what is the resulting spring compression?

- #2

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I think the problem is about finding the dx (The displacement). Alternativly use newtons 1. law to see where it stands still, and the force seems constant to me:

Fhook - Fpress = 0 => kx - Fpress = 0 <=> x = Fpress/k

Do you get the idea?

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no not really :(

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[itex] \sum F = 0[/itex]

The two forces are in opposite directions(you pressing and the spring pressing against)

[itex] Fhook-Fpress = 0 \,\Leftrightarrow \\ kx -10N = 0\\

kx = 10N [/itex]

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