Động lượng - Bài tập dễ số 1

Home Lớp 10 Vật lý 10 - Sách kết nối tri thức Bài 28: Động lượngBài tập cơ bản

{"common":{"save":0,"post_id":"6414","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6272","mon_id":"1158790","chapter_id":"1158865","post_id":"6414","question":"\u0110\u1ea1i l\u01b0\u1ee3ng \u0111\u1eb7c tr\u01b0ng cho kh\u1ea3 n\u0103ng truy\u1ec1n chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a m\u1ed9t v\u1eadt khi t\u01b0\u01a1ng tác v\u1edbi v\u1eadt khác g\u1ecdi là<\/p>","options":["A<\/strong>. \u0111\u1ed9ng n\u0103ng.","B<\/strong>. th\u1ebf n\u0103ng.","C<\/strong>. c\u01a1 n\u0103ng.","D<\/strong>. \u0111\u1ed9ng l\u01b0\u1ee3ng."],"correct":"4","level":"1","hint":"","answer":"\u0110\u1ea1i l\u01b0\u1ee3ng \u0111\u1eb7c tr\u01b0ng cho kh\u1ea3 n\u0103ng truy\u1ec1n chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a m\u1ed9t v\u1eadt khi t\u01b0\u01a1ng tác v\u1edbi v\u1eadt khác g\u1ecdi là \u0111\u1ed9ng l\u01b0\u1ee3ng. \u0110áp án \u0111úng: D<\/strong>. \u0111\u1ed9ng l\u01b0\u1ee3ng. <\/span><\/p>","type":"choose","extra_type":"classic","user_id":"149","test":"0","date":"2023-02-11 07:57:34","option_type":"txt","len":1},{"id":"6273","mon_id":"1158790","chapter_id":"1158865","post_id":"6414","question":"\u0110\u01a1n v\u1ecb c\u1ee7a \u0111\u1ed9ng l\u01b0\u1ee3ng b\u1eb1ng<\/p>","options":["A<\/strong>. N\/s.","B<\/strong>. N.s.","C<\/strong>. N.m.","D.<\/strong> N.m\/s."],"correct":"2","level":"1","hint":"","answer":"\u0110\u01a1n v\u1ecb c\u1ee7a \u0111\u1ed9ng l\u01b0\u1ee3ng là N.s \u0110áp án \u0111úng: B<\/strong>. N.s.<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"149","test":"0","date":"2023-02-11 07:59:43","option_type":"txt","len":0},{"id":"6274","mon_id":"1158790","chapter_id":"1158865","post_id":"6414","question":"\u0110i\u1ec1u nào sau \u0111ây sai khi nói v\u1ec1 \u0111\u1ed9ng l\u01b0\u1ee3ng?<\/p>","options":["A.<\/strong> \u0110\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t v\u1eadt có \u0111\u1ed9 l\u1edbn b\u1eb1ng tích kh\u1ed1i l\u01b0\u1ee3ng và t\u1ed1c \u0111\u1ed9 c\u1ee7a v\u1eadt.","B<\/strong>. Trong h\u1ec7 kín, \u0111\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a h\u1ec7 \u0111\u01b0\u1ee3c b\u1ea3o toàn.","C<\/strong>. \u0110\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t v\u1eadt có \u0111\u1ed9 l\u1edbn b\u1eb1ng tích kh\u1ed1i l\u01b0\u1ee3ng và bình ph\u01b0\u01a1ng v\u1eadn t\u1ed1c.","D.<\/strong> \u0110\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t v\u1eadt là m\u1ed9t \u0111\u1ea1i l\u01b0\u1ee3ng véc t\u01a1."],"correct":"3","level":"1","hint":"- \u0110\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t v\u1eadt là m\u1ed9t \u0111\u1ea1i l\u01b0\u1ee3ng véc t\u01a1. - \u0110\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t v\u1eadt có \u0111\u1ed9 l\u1edbn b\u1eb1ng tích kh\u1ed1i l\u01b0\u1ee3ng và t\u1ed1c \u0111\u1ed9 c\u1ee7a v\u1eadt. - Trong h\u1ec7 kín, \u0111\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a h\u1ec7 \u0111\u01b0\u1ee3c b\u1ea3o toàn.<\/p>","answer":"A, B, D – \u0111úng. C – sai, \u0111\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t v\u1eadt có \u0111\u1ed9 l\u1edbn b\u1eb1ng tích kh\u1ed1i l\u01b0\u1ee3ng và t\u1ed1c \u0111\u1ed9 c\u1ee7a v\u1eadt. \u0110áp án \u0111úng: C<\/strong>. \u0110\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t v\u1eadt có \u0111\u1ed9 l\u1edbn b\u1eb1ng tích kh\u1ed1i l\u01b0\u1ee3ng và bình ph\u01b0\u01a1ng v\u1eadn t\u1ed1c.<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"149","test":"0","date":"2023-02-11 08:01:07","option_type":"txt","len":3}]}