viewimage.php?id=3db5c935ecd12bf4&no=24b0d769e1d32ca73dec83fa11d028313e457d3f472465ed713dd2021f912a46623b4c66c42670f90e5e806adb8f729b3e3d0ffa2337b6ed4011f50f0c04933de2915761376f0064715abeaa36a358213cdddf583a272667571bcc635e9c3cb6971d4910e3d27255

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viewimage.php?id=3db5c935ecd12bf4&no=24b0d769e1d32ca73dec83fa11d028313e457d3f472465ed713dd2021f912a46623b4c66c42670f90e5e806adb8f729b3e3d0ffa2337b6b5421ea10f0502973d4aabd8490b93dbe7ba7a6f6e63d3e3c8e56cd29ab9602f3b35ddbea6ccaa475fd3b1f98dff90dd09

viewimage.php?id=3db5c935ecd12bf4&no=24b0d769e1d32ca73dec83fa11d028313e457d3f472465ed713dd2021f912a46623b4c66c42670f90e5e806adb8f729b3e3d0ffa2337b6b5161af0590857c03d3968cacaa7d2b5daa444e8e31fc89aef1822e6c45663b0a319d649a6d9124b8f334aff053286c05b

답은 Fr=-4.42N임.
해설은 길어서 귀찮아서 안 올림.
이해해주셈.

- dc official App