{"common":{"save":0,"post_id":"8527","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7802","mon_id":"1158790","chapter_id":"1158796","post_id":"8527","question":"<p>Moment c\u1ee7a m\u1ed9t l\u1ef1c \u0111\u1ed1i v\u1edbi m\u1ed9t tr\u1ee5c quay là \u0111\u1ea1i l\u01b0\u1ee3ng \u0111\u1eb7c tr\u01b0ng cho<\/p>","options":["<strong>A.<\/strong> tác d\u1ee5ng làm quay c\u1ee7a l\u1ef1c.","<strong>B.<\/strong> tác d\u1ee5ng kéo c\u1ee7a l\u1ef1c.","<strong>C.<\/strong> tác d\u1ee5ng u\u1ed1n c\u1ee7a l\u1ef1c.","<strong>D.<\/strong> tác d\u1ee5ng nén c\u1ee7a l\u1ef1c."],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> tác d\u1ee5ng làm quay c\u1ee7a l\u1ef1c.<\/span><\/p><p>Moment c\u1ee7a m\u1ed9t l\u1ef1c \u0111\u1ed1i v\u1edbi m\u1ed9t tr\u1ee5c quay là \u0111\u1ea1i l\u01b0\u1ee3ng \u0111\u1eb7c tr\u01b0ng cho tác d\u1ee5ng làm quay c\u1ee7a l\u1ef1c.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2025-02-28 09:00:26","option_type":"txt","len":2},{"id":"7803","mon_id":"1158790","chapter_id":"1158796","post_id":"8527","question":"<p>\u0110\u01a1n v\u1ecb c\u1ee7a moment l\u1ef1c \u0111\u01b0\u1ee3c tính b\u1eb1ng<\/p>","options":["<strong>A.<\/strong> N.m","<strong>B.<\/strong> N\/m","<strong>C.<\/strong> J.m","<strong>D.<\/strong> m\/N"],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> N.m.<\/span><\/p><p>\u0110\u01a1n v\u1ecb c\u1ee7a moment l\u1ef1c \u0111\u01b0\u1ee3c tính b\u1eb1ng N.m.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2025-02-28 09:01:30","option_type":"txt","len":0},{"id":"7804","mon_id":"1158790","chapter_id":"1158796","post_id":"8527","question":"<p>Bi\u1ec3u th\u1ee9c nào là bi\u1ec3u th\u1ee9c moment c\u1ee7a l\u1ef1c \u0111\u1ed1i v\u1edbi m\u1ed9t tr\u1ee5c quay?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$M=\\dfrac{F}{d}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$M=F.d$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{F_1}{d_1}=\\dfrac{F_2}{d_2}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$F_1d_1=F_2d_2$<\/span>"],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> <span class=\"math-tex\">$M=F.d$<\/span>.<\/span><\/p><p>Bi\u1ec3u th\u1ee9c moment c\u1ee7a l\u1ef1c \u0111\u1ed1i v\u1edbi m\u1ed9t tr\u1ee5c quay M = F . d.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2025-02-28 09:03:40","option_type":"math","len":0}]}
