{"segment":[{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"Ch\u1ecdn ph\u00e1t bi\u1ec3u sai khi n\u00f3i v\u1ec1 r\u00f2ng r\u1ecdc:","select":["A. R\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m \u0111\u1ed5i h\u01b0\u1edbng c\u1ee7a l\u1ef1c k\u00e9o so v\u1edbi khi k\u00e9o tr\u1ef1c ti\u1ebfp","B. D\u00f9ng r\u00f2ng r\u1ecdc \u0111\u1ed9ng th\u00ec l\u1ef1c k\u00e9o v\u1eadt l\u00ean nh\u1ecf h\u01a1n tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt","C. D\u00f9ng r\u00f2ng r\u1ecdc \u0111\u1ed9ng th\u00ec l\u1ef1c k\u00e9o v\u1eadt l\u00ean l\u1edbn h\u01a1n tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt","D. Ro\u0300ng ro\u0323c l\u00e0 m\u1ed9t b\u00e1nh xe d\u1ec5 d\u00e0ng quay quanh m\u1ed9t tr\u1ee5c, tr\u00ean v\u00e0nh b\u00e1nh xe c\u00f3 x\u1ebb r\u00e3nh \u0111\u1ec3 \u0111\u1eb7t d\u00e2y k\u00e9o"],"hint":"","explain":"<span class='basic_left'>D\u00f9ng r\u00f2ng r\u1ecdc \u0111\u1ed9ng th\u00ec l\u1ef1c k\u00e9o v\u1eadt l\u00ean nh\u1ecf h\u01a1n tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2421},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"S\u1eed d\u1ee5ng r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh khi \u0111\u01b0a m\u1ed9t v\u1eadt l\u00ean cao ta \u0111\u01b0\u1ee3c l\u1ee3i","select":["A. V\u1ec1 l\u1ef1c","B. V\u1ec1 h\u01b0\u1edbng c\u1ee7a l\u1ef1c","C. V\u1ec1 \u0111\u01b0\u1eddng \u0111i","D. V\u1ec1 l\u1ef1c v\u00e0 \u0111\u01b0\u1eddng \u0111i."],"hint":"","explain":"<span class='basic_left'>S\u1eed d\u1ee5ng r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh khi \u0111\u01b0a m\u1ed9t v\u1eadt l\u00ean cao ta \u0111\u01b0\u1ee3c l\u1ee3i v\u1ec1 h\u01b0\u1edbng c\u1ee7a l\u1ef1c.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2422},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":10,"ques":"R\u00f2ng r\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p n\u00e0o sau \u0111\u00e2y","select":["A. K\u00e9o m\u1ed9t th\u00f9ng b\u00eat\u00f4ng l\u00ean cao \u0111\u1ec3 \u0111\u1ed5 tr\u1ea7n nh\u00e0","B. \u0110\u01b0a m\u1ed9t th\u00f9ng phuy n\u1eb7ng t\u1eeb m\u1eb7t \u0111\u01b0\u1eddng l\u00ean s\u00e0n xe t\u1ea3i","C. C\u00e1i ch\u1eafn \u00f4t\u00f4 t\u1ea1i nh\u1eefng \u0111i\u1ec3m b\u00e1n v\u00e9 tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c","D. T\u1ea5t c\u1ea3 \u0111\u1ec1u sai"],"hint":"","explain":"<span class='basic_left'>K\u00e9o m\u1ed9t th\u00f9ng b\u00eat\u00f4ng l\u00ean cao \u0111\u1ec3 \u0111\u1ed5 tr\u1ea7n nh\u00e0 s\u1eed d\u1ee5ng r\u00f2ng r\u1ecdc.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":2423},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"L\u00ed do ch\u00ednh c\u1ee7a vi\u1ec7c \u0111\u1eb7t r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh \u1edf \u0111\u1ec9nh c\u1ed9t c\u1edd l\u00e0 \u0111\u1ec3 c\u00f3 th\u1ec3:","select":["A. t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a l\u1ef1c d\u00f9ng \u0111\u1ec3 k\u00e9o c\u1edd l\u00ean cao","B. gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a l\u1ef1c d\u00f9ng \u0111\u1ec3 k\u00e9o c\u1edd l\u00ean cao","C. gi\u1eef nguy\u00ean h\u01b0\u1edbng c\u1ee7a l\u1ef1c d\u00f9ng \u0111\u1ec3 k\u00e9o c\u1edd l\u00ean cao","D. thay \u0111\u1ed5i h\u01b0\u1edbng c\u1ee7a l\u1ef1c d\u00f9ng \u0111\u1ec3 k\u00e9o c\u1edd l\u00ean cao"],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2424},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"Trong c\u00e1c c\u00e2u sau, c\u00e2u n\u00e0o \u0111\u00fang nh\u1ea5t ? ","select":["A. R\u00f2ng r\u1ecdc \u0111\u1ed9ng c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m thay \u0111\u1ed5i h\u01b0\u1edbng c\u1ee7a l\u1ef1c","B. R\u00f2ng r\u1ecdc \u0111\u1ed9ng c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m thay \u0111\u1ed5i c\u1ea3 h\u01b0\u1edbng v\u00e0 \u0111\u1ed9 l\u1edbn c\u1ee7a l\u1ef1c","C. R\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 l\u1edbn c\u1ee7a l\u1ef1c","D. R\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m thay \u0111\u1ed5i c\u1ea3 h\u01b0\u1edbng v\u00e0 \u0111\u1ed9 l\u1edbn c\u1ee7a l\u1ef1c"],"hint":"","explain":"<span class='basic_left'>R\u00f2ng r\u1ecdc \u0111\u1ed9ng c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m thay \u0111\u1ed5i c\u1ea3 h\u01b0\u1edbng v\u00e0 \u0111\u1ed9 l\u1edbn c\u1ee7a l\u1ef1c.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2425},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"Mu\u1ed1n \u0111\u1ee9ng \u1edf d\u01b0\u1edbi \u0111\u1ec3 k\u00e9o m\u1ed9t v\u1eadt l\u00ean cao v\u1edbi l\u1ef1c k\u00e9o nh\u1ecf h\u01a1n tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt ph\u1ea3i d\u00f9ng:","select":["A. m\u1ed9t r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh","B. m\u1ed9t r\u00f2ng r\u1ecdc \u0111\u1ed9ng","C. hai r\u00f2ng r\u1ecdc \u0111\u1ed9ng","D. m\u1ed9t r\u00f2ng r\u1ecdc \u0111\u1ed9ng v\u00e0 m\u1ed9t r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh"],"hint":"","explain":"<span class='basic_left'>Mu\u1ed1n \u0111\u1ee9ng \u1edf d\u01b0\u1edbi \u0111\u1ec3 k\u00e9o m\u1ed9t v\u1eadt l\u00ean cao v\u1edbi l\u1ef1c k\u00e9o nh\u1ecf h\u01a1n tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt ph\u1ea3i d\u00f9ng m\u1ed9t r\u00f2ng r\u1ecdc \u0111\u1ed9ng v\u00e0 m\u1ed9t c\u1ed1 \u0111\u1ecbnh.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2426},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"Trong c\u00f4ng vi\u1ec7c n\u00e0o sau \u0111\u00e2y ch\u1ec9 c\u1ea7n d\u00f9ng r\u00f2ng r\u1ecdc \u0111\u1ed9ng?","select":["A. \u0111\u1ee9ng t\u1eeb d\u01b0\u1edbi k\u00e9o v\u1eadt n\u1eb7ng l\u00ean cao v\u1edbi l\u1ef1c k\u00e9o nh\u1ecf h\u01a1n tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt","B. \u0111\u1ee9ng t\u1eeb d\u01b0\u1edbi k\u00e9o v\u1eadt n\u1eb7ng l\u00ean cao v\u1edbi l\u1ef1c k\u00e9o b\u1eb1ng tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt","C. \u0111\u1ee9ng t\u1eeb tr\u00ean cao k\u00e9o v\u1eadt n\u1eb7ng t\u1eeb d\u01b0\u1edbi l\u00ean v\u1edbi l\u1ef1c k\u00e9o nh\u1ecf h\u01a1n tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt","D. \u0111\u1ee9ng t\u1eeb tr\u00ean cao k\u00e9o v\u1eadt n\u1eb7ng t\u1eeb d\u01b0\u1edbi l\u00ean v\u1edbi l\u1ef1c k\u00e9o b\u1eb1ng tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt"],"hint":"","explain":"<span class='basic_left'>V\u00ec r\u00f2ng r\u1ecdc \u0111\u1ed9ng gi\u00fap l\u00e0m l\u1ef1c k\u00e9o v\u1eadt l\u00ean nh\u1ecf h\u01a1n tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2427},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/vatly/bai16/lv2/img\/h2.jpg' \/><\/center>Quan s\u00e1t tr\u00ean h\u00ecnh:R\u00f2ng r\u1ecdc n\u00e0o l\u00e0 r\u00f2ng r\u1ecdc \u0111\u1ed9ng, r\u00f2ng r\u1ecdc n\u00e0o l\u00e0 r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh ?","select":["A. r\u00f2ng r\u1ecdc 1 v\u00e0 2 l\u00e0 r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh","B. r\u00f2ng r\u1ecdc 1, 2, l\u00e0 r\u00f2ng r\u1ecdc \u0111\u1ed9ng","C. r\u00f2ng r\u1ecdc 1 l\u00e0 r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh, r\u00f2ng r\u1ecdc 2 l\u00e0 r\u00f2ng r\u1ecdc \u0111\u1ed9ng","D. r\u00f2ng r\u1ecdc 2 l\u00e0 r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh, r\u00f2ng r\u1ecdc 1 l\u00e0 r\u00f2ng r\u1ecdc \u0111\u1ed9ng"],"hint":"","explain":"<span class='basic_left'>r\u00f2ng r\u1ecdc 2 l\u00e0 r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh, r\u00f2ng r\u1ecdc 1 l\u00e0 r\u00f2ng r\u1ecdc \u0111\u1ed9ng<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2428},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"Ng\u01b0\u1eddi ta d\u00f9ng 1 pal\u0103ng g\u1ed3m 1 r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh v\u00e0 3 r\u00f2ng r\u1ecdc \u0111\u1ed9ng \u0111\u1ec3 \u0111\u01b0a 1 v\u1eadt c\u00f3 m = 0,3 t\u1ea5n l\u00ean \u0111\u1ed9 cao 1,5m. X\u00e1c \u0111\u1ecbnh qu\u00e3ng \u0111\u01b0\u1eddng s\u1ee3i d\u00e2y ph\u1ea3i \u0111i","select":["A. 3m","B. 6m","C. 9m","D. 12m"],"hint":"","explain":"<span class='basic_left'>V\u00ec r\u00f2ng r\u1ecdc \u0111\u1ed9ng cho ta l\u1ee3i 2 l\u1ea7n v\u1ec1 l\u1ef1c nh\u01b0ng th\u1ec7t 2 l\u1ea7n v\u1ec1 \u0111\u01b0\u1eddng \u0111i n\u00ean 3 r\u00f2ng r\u1ecdc \u0111\u1ed9ng cho ta l\u1ee3i 2.3 = 6 l\u1ea7n v\u1ec1 l\u1ef1c v\u00e0 thi\u1ec7t 6 l\u1ea7n v\u1ec1 \u0111\u01b0\u1eddng \u0111i, r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh ch\u1ec9 l\u00e0m thay \u0111\u1ed5i h\u01b0\u1edbng c\u1ee7a l\u1ef1c c\u1ee9 kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m gi\u1ea3m hay t\u0103ng l\u1ef1c.<br\/>n\u00ean qu\u00e3ng \u0111\u01b0\u1eddng s\u1ee3i d\u00e2y ph\u1ea3i \u0111i l\u00e0: s = h.6 = 1,5.6 = 9(m)<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2429},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":10,"ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/vatly/bai16/lv2/img\/h3.jpg' \/><\/center>Quan s\u00e1t tr\u00ean h\u00ecnh:R\u00f2ng r\u1ecdc n\u00e0o l\u00e0 r\u00f2ng r\u1ecdc \u0111\u1ed9ng, r\u00f2ng r\u1ecdc n\u00e0o l\u00e0 r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh ?","select":["A. r\u00f2ng r\u1ecdc 1 v\u00e0 2 l\u00e0 r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh, r\u00f2ng r\u1ecdc 3 v\u00e0 4 l\u00e0 r\u00f2ng r\u1ecdc \u0111\u1ed9ng","B. r\u00f2ng r\u1ecdc 1, 2, 3,4 \u0111\u1ec1u l\u00e0 r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh","C. r\u00f2ng r\u1ecdc 1,2,3,4 \u0111\u1ec1u l\u00e0 r\u00f2ng r\u1ecdc \u0111\u1ed9ng","D. r\u00f2ng r\u1ecdc 1 v\u00e0 2 l\u00e0 r\u00f2ng r\u1ecdc \u0111\u1ed9ng, r\u00f2ng r\u1ecdc 3 v\u00e0 4 l\u00e0 r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh"],"hint":"","explain":"<span class='basic_left'>V\u00ec quan s\u00e1t h\u00ecnh v\u1ebd ta th\u1ea5y r\u00f2ng r\u1ecdc 1 v\u00e0 2 khi l\u00e0m vi\u1ec7c b\u00e1nh xe s\u1ebd quay t\u1ea1i ch\u1ed7, c\u00f2n r\u00f2ng r\u1ecdc 3 v\u00e0 4 khi l\u00e0m vi\u1ec7c b\u00e1nh xe c\u1ee7a n\u00f3 s\u1ebd v\u1eeba quay v\u1eeba di chuy\u1ec3n.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":2430}],"lesson":{"save":0,"level":2}}