A spring with k = 100 N/m is stretched by x = 0.05 m. What is the restoring force?

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Multiple Choice

A spring with k = 100 N/m is stretched by x = 0.05 m. What is the restoring force?

Explanation:
Hooke's law describes the restoring force of a spring: F = -k x. With k = 100 N/m and x = 0.05 m, F = -5 N. The minus sign means the force acts opposite the displacement, toward the equilibrium position. The magnitude is 5 N, so the numerical value is 5 N; if you specify direction, it would be -5 N along the chosen positive x direction.

Hooke's law describes the restoring force of a spring: F = -k x. With k = 100 N/m and x = 0.05 m, F = -5 N. The minus sign means the force acts opposite the displacement, toward the equilibrium position. The magnitude is 5 N, so the numerical value is 5 N; if you specify direction, it would be -5 N along the chosen positive x direction.

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