A 5 Kg mass is suspended from a spring. The spring is stretched 8 cm from equilibrium. What is the spring constant? Use g=9.8 m/s^2 to calculate the force of the load

The spring constant is:

To calculate the spring constant we must remember the law for it, the Hooke's Law:

Where k is the spring constant [N/m].

So if the mass is suspended it means that its weight is equal to the elastic force (values), then we can write:

Therefore:

Now we just have to put the values and calculate:

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