Suppose an object is hanging from the end of a spring. Let the spring's length when the object is hanging at rest be L. Now suppose we pull the object downward until the spring has been stretched a length of $2 \mathrm{~L}$. By what factor has the force that the spring is exerting on the object increased?
A) The spring force is the same in both cases.
B) $\sqrt{2}$ times stronger
C) 2 times stronger
D) 4 times stronger
E) The answer depends on the spring's relaxed length.

Question

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The Answer of Suppose an object is hanging from the end of a spring. Let the spring's length when the object is hanging at rest be L. Now suppose we pull the object downward until the spring has been stretched a length of $2 \mathrm{~L}$. By what factor has the force that the spring is exerting on the object increased?
A) The spring force is the same in both cases.
B) $\sqrt{2}$ times stronger
C) 2 times stronger
D) 4 times stronger
E) The answer depends on the spring's relaxed length.

Suppose an Object Is Hanging from the End of a Spring