Trọng lượng, lực hấp dẫn

Home Lớp 6 Khoa học tự nhiên 6 - Sách kết nối tri thức Bài 43: Trọng lượng, lực hấp dẫnBài tập nâng cao

{"common":{"save":0,"post_id":"5123","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10831","post_id":"5123","mon_id":"1158149","chapter_id":"1158295","question":"M\u1ed9t b\u1ea1n h\u1ecdc sinh l\u1edbp 6 có kh\u1ed1i l\u01b0\u1ee3ng 35 kg. Tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a b\u1ea1n h\u1ecdc sinh \u0111ó là:<\/p>","options":["350 kg","350 N","3500 N","3500 kg"],"correct":"2","level":"3","hint":"","answer":"M\u1ed9t b\u1ea1n h\u1ecdc sinh l\u1edbp 6 có kh\u1ed1i l\u01b0\u1ee3ng 35 kg. Tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a b\u1ea1n h\u1ecdc sinh \u0111ó là:<\/p>P = 35 . 10 = 350 (N)<\/p>\u0110áp án \u0111úng là  350 N<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2021-11-03 13:01:07","option_type":"txt","len":0},{"id":"10836","post_id":"5123","mon_id":"1158149","chapter_id":"1158295","question":"Trong các v\u1eadt sau, v\u1eadt nào có tr\u1ecdng l\u01b0\u1ee3ng l\u1edbn nh\u1ea5t ?<\/p>","options":["A. <\/strong>M\u1ed9t con bò n\u1eb7ng 8 t\u1ea1","B. <\/strong>M\u1ed9t em bé s\u01a1 sinh n\u1eb7ng 4 kg","C. <\/strong>M\u1ed9t con h\u1ed5 n\u1eb7ng 150 kg","D. <\/strong>M\u1ed9t xe t\u1ea3i ch\u1edf hàng n\u1eb7ng 3,5 t\u1ea5n"],"correct":"4","level":"3","hint":"","answer":"8 t\u1ea1 = 800 kg ;  3,5 t\u1ea5n = 3500 kg<\/p>Ta có: 4 kg < 150 kg < 800 kg < 3500 kg<\/p>hay 4 kg < 150 kg < 8 t\u1ea1 < 3,5 t\u1ea5n nên xe t\u1ea3i có kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn nh\u1ea5t<\/strong>.<\/p>Vì kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a v\u1eadt càng l\u1edbn thì tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt càng l\u1edbn nên trong b\u1ed1n v\u1eadn trên v\u1eadt có tr\u1ecdng l\u01b0\u1ee3ng l\u1edbn nh\u1ea5t là <\/p>D. M\u1ed9t xe t\u1ea3i ch\u1edf hàng n\u1eb7ng 3,5 t\u1ea5n<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2021-11-03 13:11:28","option_type":"txt","len":2},{"id":"10837","post_id":"5123","mon_id":"1158149","chapter_id":"1158295","question":"Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t con voi là bao nhiêu n\u1ebfu l\u1ef1c hút c\u1ee7a Trái \u0110\u1ea5t tác d\u1ee5ng lên nó có \u0111\u1ed9 l\u1edbn b\u1eb1ng 50 000 N ?<\/p>","options":["50 000 kg","5 t\u1ea5n","50 y\u1ebfn","500 t\u1ea1"],"correct":"2","level":"3","hint":"","answer":"Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a con voi là:<\/p>50 000 : 10 = 5000 (kg) <\/strong><\/p>Ta có: 5000 kg =  500 y\u1ebfn = 50 t\u1ea1 = 5 t\u1ea5n<\/strong><\/p>\u0110áp án \u0111úng là  5 t\u1ea5n<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2021-11-03 13:17:09","option_type":"txt","len":0}]}