# lab4 - Anh Le PHY-1053 Professor McNutt Lab 4 Report...

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Anh Le PHY-1053 Professor McNutt Lab 4 Report: Springs Introduction: In this lab, we used the spring system, which included the spring hung from the hanger and attached the mass to it, to determine the value of spring constant. Theory: The force F exerted by an ideal spring is proportional to the amount you stretch it; or F x, where x is the amount the spring is stretched by. One way to see this is to hang a mass m from it. Since the weight of the mass is proportional to m, and it’s the only force stretching the string, we should have x m. Thus if you graph x versus m, and the data approximate a straight line, that is evidence that the spring fits the ideal model well. Calculate the value of spring constant for each mass by using formula =- → =- F kx k Fx Apparatus: Spring hanger, metal bars, stand, springs, and masses. Procedure: -Assemble spring hanger with metal bars and stand. -Hang a spring from the hanger -Record the length of the spring -Attach a mass to the spring and record the value of mass and the length of the spring.

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