13. Spring potential energy 2x2.pdf - Page 1 of 4 Spring Potential Energy 6SULQJIRUFHV FApplied

13. Spring potential energy 2x2.pdf - Page 1 of 4 Spring...

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x k F Applied VSULQJ±FRQVWDQW Units: 1²P +22.(¶6±/$:³±5HVWRULQJ±IRUFH±RI±DQ±LGHDO±VSULQJ±LV x k F s ± 6SULQJ±IRUFHV s F $ % 7ZR±VSULQJV±DUH±DWWDFKHG±WR±D±EORFN±LQ±WKUHH±GLIIHUHQW±FRQILJXUDWLRQV²²±± ,I±HDFK±EORFN±LV±SXOOHG±WR±WKH±ULJKW±WKH±VDPH±DPRXQW±³ d ´µ±KRZ±ZLOO±WKH± QHW±IRUFH±RQ±WKH±EORFN±GXH±WR±WKH±VSULQJV±FRPSDUH" & ¶² ) $ ±) % ±) & ·² ) $ ±) µ±) % ±¸ ¹² ) $ ±º) µ±) % ±¸ º² ) $ ±) % ±º) & $ % & d k eq = :RUN±GRQH±E\±YDULDEOH±IRUFHV Fd W F x F x kx F ± ´ ³ · kx x W ± u · · kx W ± :RUN±GRQH±E\±FRQVWDQW±IRUFHV ³ d d F W & & F x kx F ± ´ ³ · · · · i f kx kx W ± ± x i x f ´ ³ ´ ³ · · i i f f kx x kx x W ± u ± ± u Spring Potential Energy Page 1 of 4
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