viewimage.php?id=3ea9d132ecc12caf6dbedab813d22c3cd1bacd&no=24b0d769e1d32ca73ded85fa11d028314c091b806630224048cd6cbd1057c69f59951cf38733c36e7a73ae5e828882170944e65929111e8f9e6582e7648cb0b2c3df5beb19753b0df67801a199e845849b6eb3fab96cae53978b1e5d416e5b31c73464b6446b48bff706b51f

2013년 한국중학생물리대회 2교시 3번문제



아래는 도르래 문제 풀이

viewimage.php?id=3ea9d132ecc12caf6dbedab813d22c3cd1bacd&no=24b0d769e1d32ca73ded85fa11d028314c091b806630224048cd6cbd1057c69f59951cf38733c36e7a73ae5e828882170944e659291173e29c6187e66c86b4b485beddd6655155be482cf3e15079f9fe94879e9129c0b6c309a986c3fb90