How much will the rubber cord lengthen under the action of a force of 5N, if its stiffness = 25N / m?

univerkov | January 5, 2021 | education

Data: F (force that stretches the rubber cord) = 5 N; k (coefficient of stiffness of the rubber cord) = 25 N / m.
The elongation of the rubber cord under the action of a given force is determined by the formula: F = k * x, whence x = F / k.
Calculation: x = 5/25 = 0.2 m (20 cm).
Answer: The force of 5 N will extend the rubber cord by 20 centimeters.

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