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Unformatted text preview: [usually in meters], is the restoring force exerted by the material [usually in newtons], and is the force constant (or spring constant ). The constant has units of force per unit length (usually in newtons per meter ). When this holds, we say that the behavior is linear. If shown on a graph, the line should show a direct variation. There is a negative sign on the right hand side of the equation because the restoring force always acts in the opposite direction of the x displacement (when a spring is stretched to the left, it pulls back to the right)....
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- Spring '08
- Force, Robert Hooke