{"common":{"save":0,"post_id":"5116","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10912","post_id":"5116","mon_id":"1158149","chapter_id":"1158295","question":"<p>Ch\u1ecdn câu \u0111úng<\/p>","options":["<strong>A.<\/strong> L\u1ef1c ma sát là l\u1ef1c ti\u1ebfp xúc xu\u1ea5t hi\u1ec7n \u1edf b\u1ec1 m\u1eb7t ti\u1ebfp xúc gi\u1eefa hai v\u1eadt.","<strong>B.<\/strong> L\u1ef1c ma sát là l\u1ef1c h\u1ea5p d\u1eabn xu\u1ea5t hi\u1ec7n \u1edf b\u1ec1 m\u1eb7t ti\u1ebfp xúc gi\u1eefa hai v\u1eadt.","<strong>C.<\/strong> L\u1ef1c ma sát là l\u1ef1c \u0111àn h\u1ed3i xu\u1ea5t hi\u1ec7n \u1edf b\u1ec1 m\u1eb7t ti\u1ebfp xúc gi\u1eefa hai v\u1eadt.","<strong>D.<\/strong> L\u1ef1c ma sát là l\u1ef1c hút xu\u1ea5t hi\u1ec7n \u1edf b\u1ec1 m\u1eb7t ti\u1ebfp xúc gi\u1eefa hai v\u1eadt."],"correct":"1","level":"1","hint":"","answer":"<p>L\u1ef1c ma sát là l\u1ef1c ti\u1ebfp xúc xu\u1ea5t hi\u1ec7n \u1edf b\u1ec1 m\u1eb7t ti\u1ebfp xúc gi\u1eefa hai v\u1eadt.<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>A.<\/strong> L\u1ef1c ma sát là l\u1ef1c ti\u1ebfp xúc xu\u1ea5t hi\u1ec7n \u1edf b\u1ec1 m\u1eb7t ti\u1ebfp xúc gi\u1eefa hai v\u1eadt.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2021-11-05 11:29:44","option_type":"txt","len":3},{"id":"10913","post_id":"5116","mon_id":"1158149","chapter_id":"1158295","question":"<p>L\u1ef1c ma sát có tác d\u1ee5ng<\/p>","options":["<strong>A. <\/strong>c\u1ea3n tr\u1edf chuy\u1ec3n \u0111\u1ed9ng","<strong>B.<\/strong> thúc \u0111\u1ea9y chuy\u1ec3n \u0111\u1ed9ng","<strong>C. <\/strong>C\u1ea3 A và B \u0111\u1ec1u \u0111úng","<strong>D. <\/strong>C\u1ea3 A và B \u0111\u1ec1u sai"],"correct":"3","level":"1","hint":"","answer":"<p>L\u1ef1c ma sát có tác d\u1ee5ng c\u1ea3n tr\u1edf ho\u1eb7c thúc \u0111\u1ea9y chuy\u1ec3n \u0111\u1ed9ng.<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"> <strong>C. <\/strong>C\u1ea3 A và B \u0111\u1ec1u \u0111úng<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2021-11-05 11:31:52","option_type":"txt","len":2},{"id":"10915","post_id":"5116","mon_id":"1158149","chapter_id":"1158295","question":"<p>L\u1ef1c ma sát ngh\u1ec9 là<\/p>","options":["<strong>A. <\/strong>l\u1ef1c gi\u1eef cho v\u1eadt \u0111\u1ee9ng yên ngay c\u1ea3 khi nó b\u1ecb kéo ho\u1eb7c \u0111\u1ea9y.","<strong>B. <\/strong>l\u1ef1c xu\u1ea5t hi\u1ec7n khi v\u1eadt tr\u01b0\u1ee3t trên b\u1ec1 m\u1eb7t c\u1ee7a v\u1eadt khác."],"correct":"1","level":"1","hint":"","answer":"<p>L\u1ef1c ma sát ngh\u1ec9 là l\u1ef1c gi\u1eef cho v\u1eadt \u0111\u1ee9ng yên ngay c\u1ea3 khi nó b\u1ecb kéo ho\u1eb7c \u0111\u1ea9y.<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>A. <\/strong>l\u1ef1c gi\u1eef cho v\u1eadt \u0111\u1ee9ng yên ngay c\u1ea3 khi nó b\u1ecb kéo ho\u1eb7c \u0111\u1ea9y.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2021-11-05 11:35:32","option_type":"txt","len":3}]}
