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Work + Force Acted on Spring

The figure shows a light extended spring exerting a force _F_s to the left on a block. https://www.webassign.net/serpse8/7-oq-010.gif ​ A rectangular block is placed on a horizontal surface and connected to a spring that is attached horizontally to a wall on the left. The horizontal spring is stretched from the wall such that the rectangular block is moved outward to the right by a distance of x from its initial rest position of x = 0. A force vector Fs points from above the block to the left, toward the wall. (i) Does the block exert a force on the spring? Select all that apply. No, it does not.Yes, to the left.Its magnitude is equal to Fs.Yes, to the right.Its magnitude is smaller than Fs.Its magnitude is larger than Fs. (ii) Does the spring exert a force on the wall? Select all that apply. No, it does not.Yes, to the right.Its magnitude is equal to Fs.Its magnitude is larger than Fs.Its magnitude is smaller than Fs.Yes, to the left.
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