An interaction between two molecules is treated as a one-dimensional simple spri

Question

An interaction between two molecules is treated as a one-dimensional simple spring. Which of the following statements are true about this motion if the molecules are initially compressed and then released and allowed to move freely?

There is a constant, non-zero force between the molecules and they will appear to vibrate/oscillate

There is a changing, non-zero force between the molecules and they will appear to vibrate/oscillate

There is a changing, non-zero force between the molecules and they will remain stationary

There is a constant, non-zero force between the molecules and they will remain stationary

There is a constant, non-zero force between the molecules and they will appear to vibrate/oscillate

There is a changing, non-zero force between the molecules and they will appear to vibrate/oscillate

There is a changing, non-zero force between the molecules and they will remain stationary

There is a constant, non-zero force between the molecules and they will remain stationary

Explanation / Answer

"There is a changing, non-zero force between the molecules and they will appear to vibrate/oscillate"

Since spring force depends on the changing length of spring

so it is changing force ad object will oscillate

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