... cord originally away from the length of the cord after more weight has been added onto the end. Some background information: Hooke's law: Hooke found out that extension is proportional to the downward force acting on the spring: Hooke's Law: F=ke F = Force in Newtons k = spring/cord constant e = Extension in Metres Hooke's Law, as commonly used, states that the force a spring (or cord in our case) exerts on an object is directly proportional to the extension of the spring/cord. That is, F = -k x, where F is the force exerted on the cord, x is the extension of the spring/cord, and k is the proportionality (or spring/cord) constant that varies from spring to spring (or cord to cord). This law is only true if the elastic limit of the object has not been reached. If the elastic limit has been reached the object will not return to its original shape ...

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