{"id":2123,"date":"2026-08-31T08:02:28","date_gmt":"2026-08-31T08:02:28","guid":{"rendered":"https:\/\/wayhope.kro.kr\/?p=2123"},"modified":"2026-08-31T08:02:28","modified_gmt":"2026-08-31T08:02:28","slug":"%eb%ac%bc%eb%a6%ac%ed%95%99-%ea%b8%b0%ec%b4%88-%ed%95%b5%ec%8b%ac-%ec%a0%95%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/wayhope.kro.kr\/?p=2123","title":{"rendered":"\ubb3c\ub9ac\ud559 \uae30\ucd08 \ud575\uc2ec \uc815\ub9ac"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\ubb3c\ub9ac\ud559\uc740 \ud604\uc2e4\uc5d0\uc11c \uc77c\uc5b4\ub098\ub294 \ud604\uc0c1\uc744 <strong>\ubb3c\ub9ac\ub7c9\uc73c\ub85c \ud45c\ud604\ud558\uace0, \uc218\ud559\uc801 \uad00\uacc4\ub97c \ud1b5\ud574 \uc124\uba85\ud558\ub294 \ud559\ubb38<\/strong>\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\uc784 \uac1c\ubc1c\uc5d0\uc11c \ubb3c\ub9ac \uc2dc\uc2a4\ud15c\uc744 \ub2e4\ub8f0 \ub54c\ub3c4 \uacb0\uad6d \uc704\uce58, \uc18d\ub3c4, \uac00\uc18d\ub3c4, \ud798, \uc9c8\ub7c9, \uc2dc\uac04 \uac19\uc740 \ubb3c\ub9ac\ub7c9\uc744 \uc815\ud655\ud558\uac8c \uc815\uc758\ud558\uace0 \uad00\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \uac83\uc774 \ud575\uc2ec\uc774\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ubb3c\ub9ac\ub7c9\uacfc \ub2e8\uc704<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubb3c\ub9ac\ub7c9(Physical Quantity)<\/strong>\uc740 \uce21\uc815\ud560 \uc218 \uc788\ub294 \ubb3c\ub9ac\uc801 \ud2b9\uc131\uc744 \uc758\ubbf8\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb3c\ub9ac\ub7c9\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ubb3c\ub9ac\ub7c9 = \uc218\uce58 \u00d7 \ub2e8\uc704<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>5 m<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub294 \uc22b\uc790 <code>5<\/code>\uc640 \ub2e8\uc704 <code>m(\ubbf8\ud130)<\/code>\uac00 \uacb0\ud569\ub41c \ubb3c\ub9ac\ub7c9\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ud45c\uc801\uc778 SI \uae30\ubcf8 \ub2e8\uc704\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ubb3c\ub9ac\ub7c9<\/th><th>SI \ub2e8\uc704<\/th><th>\uae30\ud638<\/th><\/tr><\/thead><tbody><tr><td>\uae38\uc774<\/td><td>\ubbf8\ud130<\/td><td>m<\/td><\/tr><tr><td>\uc9c8\ub7c9<\/td><td>\ud0ac\ub85c\uadf8\ub7a8<\/td><td>kg<\/td><\/tr><tr><td>\uc2dc\uac04<\/td><td>\ucd08<\/td><td>s<\/td><\/tr><tr><td>\uc804\ub958<\/td><td>\uc554\ud398\uc5b4<\/td><td>A<\/td><\/tr><tr><td>\uc628\ub3c4<\/td><td>\ucf08\ube48<\/td><td>K<\/td><\/tr><tr><td>\ubb3c\uc9c8\ub7c9<\/td><td>\ubab0<\/td><td>mol<\/td><\/tr><tr><td>\uad11\ub3c4<\/td><td>\uce78\ub378\ub77c<\/td><td>cd<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb3c\ub9ac\ud559\uc5d0\uc11c \uc790\uc8fc \uc0ac\uc6a9\ud558\ub294 \ubb3c\ub9ac\ub7c9 \ub300\ubd80\ubd84\uc740 \uae30\ubcf8 \ub2e8\uc704\ub4e4\uc744 \uc870\ud569\ud574\uc11c \ud45c\ud604\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uc18d\ub3c4\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc18d\ub3c4 = \uac70\ub9ac \/ \uc2dc\uac04<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubbc0\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>m \/ s<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud798\uc740 \ub274\ud134\uc758 \uc81c2\ubc95\uce59<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>F = ma<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5d0\uc11c \uc815\uc758\ub418\ubbc0\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>kg \u00b7 m \/ s\u00b2<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uace0 \uc774\ub97c <code>N(\ub274\ud134)<\/code>\uc774\ub77c\uace0 \ud55c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc2a4\uce7c\ub77c\uc640 \ubca1\ud130<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb3c\ub9ac\ub7c9\uc740 \ud06c\uac8c <strong>\uc2a4\uce7c\ub77c<\/strong>\uc640 <strong>\ubca1\ud130<\/strong>\ub85c \uad6c\ubd84\ud55c\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc2a4\uce7c\ub77c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud06c\uae30\ub9cc \uac00\uc9c0\ub294 \ubb3c\ub9ac\ub7c9\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc9c8\ub7c9 = 10 kg<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc628\ub3c4 = 20 \u00b0C<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc2dc\uac04 = 5 s<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc5d0\ub108\uc9c0 = 100 J<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc29\ud5a5\uc744 \uace0\ub824\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ubca1\ud130<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud06c\uae30\uc640 \ubc29\ud5a5\uc744 \ub3d9\uc2dc\uc5d0 \uac00\uc9c0\ub294 \ubb3c\ub9ac\ub7c9<\/strong>\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc18d\ub3c4 = 10 m\/s, \ub3d9\ucabd<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ud798 = 50 N, \uc704\ucabd<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ubcc0\uc704 = 5 m, \uc624\ub978\ucabd<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubca1\ud130\ub294 \uc88c\ud45c \uc131\ubd84\uc73c\ub85c \ud45c\ud604\ud560 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\ucc28\uc6d0 \ubca1\ud130:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v = (vx, vy)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3\ucc28\uc6d0 \ubca1\ud130:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v = (vx, vy, vz)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubca1\ud130\uc758 \ud06c\uae30\ub294 \ud53c\ud0c0\uace0\ub77c\uc2a4 \uc815\ub9ac\ub97c \uc774\uc6a9\ud574\uc11c \uad6c\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>|v| = sqrt(vx\u00b2 + vy\u00b2)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3\ucc28\uc6d0\uc5d0\uc11c\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>|v| = sqrt(vx\u00b2 + vy\u00b2 + vz\u00b2)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\uc784\uc5d0\uc11c <code>Vector3<\/code>\uac00 \uc0ac\uc6a9\ub418\ub294 \uc774\uc720\ub3c4 \uc704\uce58, \ubc29\ud5a5, \uc18d\ub3c4, \ud798\ucc98\ub7fc \ubc29\ud5a5\uc744 \uac00\uc9c0\ub294 \ubb3c\ub9ac\ub7c9\uc744 \ud45c\ud604\ud558\uae30 \uc704\ud574\uc11c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ucc28\uc6d0\uacfc \ub2e8\uc704 \ubd84\uc11d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ucc28\uc6d0(Dimension)<\/strong>\uc740 \ubb3c\ub9ac\ub7c9\uc774 \uc5b4\ub5a4 \uae30\ubcf8 \ubb3c\ub9ac\ub7c9\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ud45c\uc801\uc778 \ucc28\uc6d0\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uae38\uc774 -&gt; [L]<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc9c8\ub7c9 -&gt; [M]<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc2dc\uac04 -&gt; [T]<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uc18d\ub3c4\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc18d\ub3c4 = \uac70\ub9ac \/ \uc2dc\uac04<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubbc0\ub85c \ucc28\uc6d0\uc740<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>[v] = [L][T]^-1<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc18d\ub3c4\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uac00\uc18d\ub3c4 = \uc18d\ub3c4 \/ \uc2dc\uac04<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubbc0\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>[a] = [L][T]^-2<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud798\uc740<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>F = ma<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubbc0\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>[F] = [M][L][T]^-2<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ub2e8\uc704 \ubd84\uc11d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uc704 \ubd84\uc11d\uc740 \uc2dd\uc774 \ubb3c\ub9ac\uc801\uc73c\ub85c \uc62c\ubc14\ub978\uc9c0 \ud655\uc778\ud558\ub294 \ub370 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uac70\ub9ac = \uc18d\ub3c4 \u00d7 \uc2dc\uac04<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub77c\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>m = (m\/s) \u00d7 s<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubbc0\ub85c \ub2e8\uc704\uac00<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>m = m<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc73c\ub85c \uc77c\uce58\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\ub300\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uac70\ub9ac = \uc18d\ub3c4 + \uc2dc\uac04<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub77c\ub294 \uc2dd\uc740<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>m = m\/s + s<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00 \ub418\uc5b4 \uc11c\ub85c \ub2e4\ub978 \ucc28\uc6d0\uc758 \ubb3c\ub9ac\ub7c9\uc744 \ub354\ud558\uace0 \uc788\uc73c\ubbc0\ub85c \ubb3c\ub9ac\uc801\uc73c\ub85c \uc131\ub9bd\ud560 \uc218 \uc5c6\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \ubb3c\ub9ac \uacf5\uc2dd\uc5d0\uc11c <strong>\ub354\ud558\uac70\ub098 \ube7c\ub294 \ud56d\ub4e4\uc740 \ubc18\ub4dc\uc2dc \uac19\uc740 \ucc28\uc6d0\uc744 \uac00\uc838\uc57c \ud55c\ub2e4.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc88c\ud45c\uacc4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb3c\uccb4\uc758 \uc704\uce58\ub97c \uc218\ud559\uc801\uc73c\ub85c \ud45c\ud604\ud558\ub824\uba74 <strong>\uc88c\ud45c\uacc4(Coordinate System)<\/strong>\uac00 \ud544\uc694\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\ucc28\uc6d0\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>x\ucd95 + y\ucd95<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc744 \uc0ac\uc6a9\ud558\uace0,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3\ucc28\uc6d0\uc5d0\uc11c\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>x\ucd95 + y\ucd95 + z\ucd95<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc744 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3\ucc28\uc6d0 \uacf5\uac04\uc5d0\uc11c \ubb3c\uccb4\uc758 \uc704\uce58\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>p = (x, y, z)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub85c \ud45c\ud604\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc88c\ud45c\uacc4\uc5d0\ub294 \uc6d0\uc810\uc774 \uc874\uc7ac\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>O = (0, 0, 0)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6d0\uc810\uc744 \uae30\uc900\uc73c\ub85c \uac01 \ucd95\uc758 \uc704\uce58\ub97c \uce21\uc815\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\uc784\uc5d0\uc11c\ub294 \uc6d4\ub4dc \uc88c\ud45c\uacc4\uc640 \ub85c\uceec \uc88c\ud45c\uacc4\ub97c \uad6c\ubd84\ud574\uc11c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>World Coordinate -&gt; \uc804\uccb4 \uacf5\uac04\uc744 \uae30\uc900\uc73c\ub85c \ud55c \uc704\uce58<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Local Coordinate -&gt; \ubd80\ubaa8 \uac1d\uccb4\ub97c \uae30\uc900\uc73c\ub85c \ud55c \uc0c1\ub300\uc801\uc778 \uc704\uce58<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uce90\ub9ad\ud130\uac00 \uc6d4\ub4dc \uc88c\ud45c <code>(10, 0, 5)<\/code>\uc5d0 \uc788\uace0 \ubd80\ubaa8 \uac1d\uccb4\uac00 <code>(5, 0, 2)<\/code>\uc5d0 \uc788\ub2e4\uba74 \ub85c\uceec \uc88c\ud45c\ub294 \uc88c\ud45c\uacc4\uc758 \uae30\uc900\uc5d0 \ub530\ub77c \uc0c1\ub300\uc801\uc778 \uc704\uce58\ub85c \ud45c\ud604\ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc88c\ud45c\uacc4 \uc790\uccb4\uac00 \ubc14\ub00c\uba74 \uac19\uc740 \ubb3c\uccb4\ub77c\ub3c4 \uc88c\ud45c\uac12\uc740 \ub2ec\ub77c\uc9c8 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \ubb3c\ub9ac \uacc4\uc0b0\uc5d0\uc11c\ub294 <strong>\uc5b4\ub5a4 \uc88c\ud45c\uacc4\ub97c \uae30\uc900\uc73c\ub85c \uacc4\uc0b0\ud558\uace0 \uc788\ub294\uc9c0<\/strong>\uac00 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc704\uce58<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc704\uce58(Position)<\/strong>\ub294 \ud2b9\uc815 \uae30\uc900\uc810 \ub610\ub294 \uc88c\ud45c\uacc4\uc5d0 \ub300\ud574 \ubb3c\uccb4\uac00 \uc5b4\ub514\uc5d0 \uc788\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b4\ub294 \ubb3c\ub9ac\ub7c9\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3\ucc28\uc6d0 \uacf5\uac04\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>r = (x, y, z)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub85c \ud45c\ud604\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704\uce58\ub294 \ubca1\ud130\uc774\ubbc0\ub85c \ubc29\ud5a5\uacfc \ud06c\uae30\ub97c \uac00\uc9c4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>A = (3, 0, 0)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub77c\uba74 \uc6d0\uc810\uc5d0\uc11c x\ucd95 \ubc29\ud5a5\uc73c\ub85c 3\ub9cc\ud07c \ub5a8\uc5b4\uc9c4 \uc704\uce58\ub97c \uc758\ubbf8\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \ubb3c\uccb4\uc758 \uc704\uce58\uac00 \uac01\uac01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>A = (2, 0, 0)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>B = (7, 0, 0)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub77c\uba74 A\uc5d0\uc11c B\uae4c\uc9c0\uc758 \uc704\uce58 \ucc28\uc774\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>B - A = (5, 0, 0)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ubcc0\uc704<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubcc0\uc704(Displacement)<\/strong>\ub294 \ubb3c\uccb4\uc758 \ucc98\uc74c \uc704\uce58\uc5d0\uc11c \ucd5c\uc885 \uc704\uce58\uae4c\uc9c0\uc758 \uc704\uce58 \ubcc0\ud654\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacf5\uc2dd\uc740<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\u0394r = r_final - r_initial<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ubb3c\uccb4\uac00<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>r_initial = (2, 0, 0)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5d0\uc11c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>r_final = (8, 0, 0)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc73c\ub85c \uc774\ub3d9\ud588\ub2e4\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\u0394r = (8, 0, 0) - (2, 0, 0)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\u0394r = (6, 0, 0)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcc0\uc704\ub294 \ubca1\ud130\uc774\ubbc0\ub85c <strong>\uc774\ub3d9 \uacbd\ub85c\uac00 \uc544\ub2c8\ub77c \uc2dc\uc791\uc810\uacfc \ub05d\uc810\ub9cc \uace0\ub824\ud55c\ub2e4.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>A -&gt; B -&gt; A<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucc98\ub7fc \uc774\ub3d9\ud588\ub2e4\uba74 \ucd1d \uc774\ub3d9 \uac70\ub9ac\ub294 \uc874\uc7ac\ud558\uc9c0\ub9cc \ucd5c\uc885 \uc704\uce58\uac00 \uc2dc\uc791 \uc704\uce58\uc640 \uac19\uc73c\ubbc0\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\u0394r = 0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c <strong>\uac70\ub9ac\uc640 \ubcc0\uc704\ub294 \ub2e4\ub974\ub2e4.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uac70\ub9ac -&gt; \uc2e4\uc81c \uc774\ub3d9\ud55c \uacbd\ub85c\uc758 \ucd1d \uae38\uc774<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ubcc0\uc704 -&gt; \uc2dc\uc791 \uc704\uce58\uc5d0\uc11c \ucd5c\uc885 \uc704\uce58\uae4c\uc9c0\uc758 \uc704\uce58 \ubcc0\ud654<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac70\ub9ac\ub294 \uc2a4\uce7c\ub77c\uc774\uace0 \ubcc0\uc704\ub294 \ubca1\ud130\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc2dc\uac04<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc2dc\uac04(Time)<\/strong>\uc740 \uc0ac\uac74\uc758 \uc21c\uc11c\uc640 \uc9c0\uc18d \uc2dc\uac04\uc744 \ud45c\ud604\ud558\ub294 \ubb3c\ub9ac\ub7c9\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SI \uae30\ubcf8 \ub2e8\uc704\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucd08(s)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uac04 \uac04\uaca9\uc740<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\u0394t = t_final - t_initial<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub85c \ud45c\ud604\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucc98\uc74c = 2 s<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ub098\uc911 = 7 s<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub77c\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\u0394t = 7 - 2 = 5 s<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb3c\ub9ac\ud559\uc5d0\uc11c \uc2dc\uac04\uc740 \ub2e4\ub978 \ubb3c\ub9ac\ub7c9\uc758 \ubcc0\ud654\ub97c \uce21\uc815\ud558\ub294 \uae30\uc900\uc774 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uc704\uce58\uac00 \uc2dc\uac04\uc5d0 \ub530\ub77c \ubcc0\ud558\uba74 \uc6b4\ub3d9\uc774 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc704\uce58 -&gt; \uc2dc\uac04\uc5d0 \ub530\ub978 \ubcc0\ud654 -&gt; \uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc18d\ub3c4 -&gt; \uc2dc\uac04\uc5d0 \ub530\ub978 \ubcc0\ud654 -&gt; \uac00\uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub97c \ubbf8\ubd84\uc73c\ub85c \ud45c\ud604\ud558\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v = dr\/dt<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>a = dv\/dt<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \uc2dc\uac04\uc740 \uc6b4\ub3d9\uc744 \uc815\uc758\ud558\ub294 \ud575\uc2ec \ubcc0\uc218\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ubb3c\ub9ac\ud559 \uae30\ucd08 \ud575\uc2ec \uad00\uacc4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\ucd08\uc801\uc778 \uc6b4\ub3d9\uc744 \uc774\ud574\ud560 \ub54c \ub2e4\uc74c \uad00\uacc4\ub97c \uba3c\uc800 \uc7a1\uc544\ub450\uba74 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc704\uce58 -&gt; \ubcc0\uc704 -&gt; \uc18d\ub3c4 -&gt; \uac00\uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac01\uac01\uc758 \uad00\uacc4\ub294 \uc2dc\uac04\uc5d0 \ub300\ud55c \ubcc0\ud654\uc728\ub85c \uc5f0\uacb0\ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc704\uce58 -&gt; \uc2dc\uac04\uc5d0 \ub300\ud55c \ubcc0\ud654\uc728 -&gt; \uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc18d\ub3c4 -&gt; \uc2dc\uac04\uc5d0 \ub300\ud55c \ubcc0\ud654\uc728 -&gt; \uac00\uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc218\uc2dd\uc73c\ub85c\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v = dr\/dt<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>a = dv\/dt<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\ub300\ub85c \uc801\ubd84\uc744 \uc774\uc6a9\ud558\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uac00\uc18d\ub3c4 -&gt; \uc18d\ub3c4 -&gt; \uc704\uce58<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub97c \uad6c\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud575\uc2ec \uc815\ub9ac<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ubb3c\ub9ac\ub7c9 = \uc218\uce58 + \ub2e8\uc704<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc2a4\uce7c\ub77c -&gt; \ud06c\uae30\ub9cc \uc874\uc7ac<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ubca1\ud130 -&gt; \ud06c\uae30 + \ubc29\ud5a5<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucc28\uc6d0 -&gt; \ubb3c\ub9ac\ub7c9\uc758 \uad6c\uc131 \uc694\uc18c<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ub2e8\uc704 \ubd84\uc11d -&gt; \ubb3c\ub9ac\uc2dd\uc758 \ucc28\uc6d0\uc801 \uc77c\uad00\uc131 \uac80\uc99d<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc88c\ud45c\uacc4 -&gt; \uacf5\uac04\uc5d0\uc11c \uc704\uce58\ub97c \ud45c\ud604\ud558\ub294 \uae30\uc900<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc704\uce58 -&gt; \ubb3c\uccb4\uac00 \uacf5\uac04\uc5d0\uc11c \uc5b4\ub514\uc5d0 \uc788\ub294\uac00<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ubcc0\uc704 -&gt; \ucd5c\uc885 \uc704\uce58 - \ucd08\uae30 \uc704\uce58<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc2dc\uac04 -&gt; \ubcc0\ud654\uc758 \uae30\uc900<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc18d\ub3c4 -&gt; \uc704\uce58\uc758 \uc2dc\uac04\uc5d0 \ub300\ud55c \ubcc0\ud654\uc728<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uac00\uc18d\ub3c4 -&gt; \uc18d\ub3c4\uc758 \uc2dc\uac04\uc5d0 \ub300\ud55c \ubcc0\ud654\uc728<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uccb4\uc801\uc778 \ud750\ub984\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc7a1\uc73c\uba74 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc88c\ud45c\uacc4 -&gt; \uc704\uce58 -&gt; \ubcc0\uc704 -&gt; \uc18d\ub3c4 -&gt; \uac00\uc18d\ub3c4 -&gt; \ud798 -&gt; \uc6b4\ub3d9<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ud6c4 \uace0\uc804\uc5ed\ud559\uc5d0\uc11c\ub294 \uc774 \uad00\uacc4\ub97c \uae30\ubc18\uc73c\ub85c <strong>\ub274\ud134\uc758 \uc6b4\ub3d9 \ubc95\uce59, \uc6b4\ub3d9\ub7c9, \ucda9\uaca9\ub7c9, \uc77c\uacfc \uc5d0\ub108\uc9c0, \uc911\ub825, \ud68c\uc804 \uc6b4\ub3d9, \ucda9\ub3cc\uacfc \uc811\ucd09<\/strong>\uc73c\ub85c \ud655\uc7a5\ub41c\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ubb3c\ub9ac\ud559\uc740 \ud604\uc2e4\uc5d0\uc11c \uc77c\uc5b4\ub098\ub294 \ud604\uc0c1\uc744 \ubb3c\ub9ac\ub7c9\uc73c\ub85c \ud45c\ud604\ud558\uace0, \uc218\ud559\uc801 \uad00\uacc4\ub97c \ud1b5\ud574 \uc124\uba85\ud558\ub294 \ud559\ubb38\uc774\ub2e4. \uac8c\uc784 \uac1c\ubc1c\uc5d0\uc11c \ubb3c\ub9ac \uc2dc\uc2a4\ud15c\uc744 \ub2e4\ub8f0 \ub54c\ub3c4 \uacb0\uad6d \uc704\uce58, \uc18d\ub3c4, \uac00\uc18d\ub3c4, \ud798, \uc9c8\ub7c9, \uc2dc\uac04 \uac19\uc740 \ubb3c\ub9ac\ub7c9\uc744 \uc815\ud655\ud558\uac8c \uc815\uc758\ud558\uace0 \uad00\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \uac83\uc774 \ud575\uc2ec\uc774\ub2e4. \ubb3c\ub9ac\ub7c9\uacfc \ub2e8\uc704 \ubb3c\ub9ac\ub7c9(Physical Quantity)\uc740 \uce21\uc815\ud560 \uc218 \uc788\ub294 \ubb3c\ub9ac\uc801 \ud2b9\uc131\uc744 \uc758\ubbf8\ud55c\ub2e4. \ubb3c\ub9ac\ub7c9\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ud55c\ub2e4. \ubb3c\ub9ac\ub7c9 = \uc218\uce58 \u00d7 \ub2e8\uc704 \uc608\ub97c \ub4e4\uc5b4, 5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-2123","post","type-post","status-publish","format-standard","hentry","category-physics"],"_links":{"self":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2123"}],"version-history":[{"count":1,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2123\/revisions"}],"predecessor-version":[{"id":2124,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2123\/revisions\/2124"}],"wp:attachment":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}