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What is the Value of the Spring Constant?

You need to make a spring scale to measure the mass of objects hung from it. You want each 1.5cm length along the scale to correspond to a mass difference of 0.10 kg.

What should be the value of the spring constant?


In a spring scale:
F =

mg = kx

Solve for k:

k = mg/x

= (0.100 kg  x  9.81 m/s2)  /  (0.015 m)

k= 65 N/m

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