A mass hanging from a spring undergoes vertical simple harmonic motion. Where in the motion is the spring force equal to zero?

Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer.

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$2$mg$/$k$2$mg$/$k below

small

mg$/$kmg$/$k above

below

large

above

$2$mg$/$k$2$mg$/$k above

mg$/$kmg$/$k below

In order for the spring to exert no restoring force at all, the oscillation would have to be so Blank that the highest point is at or Blank the initial, unweighted equilibrium end of the spring. In this case, as the mass passes through the point where the unstretched end of the spring would hang if unweighted, the spring would momentarily exert no force on the mass.target $1$ of $3$target $2$ of $3$

The new equilibrium point is a distance Blank the initial unstretched bottom of the spring, where mm is the mass of the hanging object and kk is the spring constant.target $3$ of $3$