If you connect in series 4 springs of the same rigidity k, then the rigidity of such a connection will be equal.
| November 30, 2020 | education
The rigidity of such a system will be similar to the total resistance of resistors when connected in parallel (if you know what it is about): 1 / k total = 1 / k1 + 1 / k2 + 1 / k3 + 1 / k4. Since the stiffnesses of the springs are equal, we get: 1 / k total = 4 / k => k total = k / 4.
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