user-avatar
tyer
2 năm trước
Câu 1 : Trong các trường hợp dưới đây, trường hợp nào lực có thực hiện công ? a) Cậu bé trèo cây b) Một lực sĩ cử tạ đang nâng quả tạ từ thấp lên cao c) Một bạn học sinh lấy tay đè chặt quyển sách trên bàn d) Nước chảy xuống từ đập chắn nước trên cao e) Máy xúc đất đang làm việc f) Viên bi lăn trên sàn nhà nằm ngang và nhẵn bóng ( lực ma sát không đáng kể) Giup minh vs ạ , lm đúng chính xác mình sẽ cho 5 sao , 🥰🥰
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

I. put the verbs in brackets into the corect forms 1. If I see him ,I_______ (give) him a lift. 2. The table will collapse if you ________ (stand) on it. 3. If he _______(eat) all that he will be ill. 4. If I find your passport , I________(telepphone) you at once. 5. the police________(arrest) him if they catch him. 6. if he _________(read) in bad light, he will ruin his eyes. 7. someone (steal) your car if you leave it unlocked. 8. what will happen if my parachute (cái ô)_________(not open)? 9.if he (wash) my car, I'll= will give him £10. 10. if she (needs) a radio,she can borrow mine. 11.if he worked more slowly, he wouldn'tmake (not make) so many mistakes. 12. i shouldn't drink that wine if i (be) you. 13.more tourists would come to this country if it (have) a better climate. 14. if i were sent to prison, would you visit ( vist) me ? 15. if someone(give) you a helicopter what would you do wiith it ? 16.I (buy) shares in that company if I had some money. 17.If he (clean) his windscreen,he'd be able to see where he was going. 18.If you drove your car into the river,you (be able) to get out? 19. If you (not belong) to a union,you couldn't get a job. 20. If I (win) a big prize in a lottery, I'd give up my job. 21.If I had know that you were in hospital,I(visit) you. 22. the ground was very soft. But for that ,my horse (win). 23.If you (arrive) ten minutes earlier, you would have got a seat. 24. you would have seen my garden at its best if you ( be) here last week, 25.But for his quickness, I(be) killed. 26. I should't have believed it if I (not see ) it with my own eyes. 27. If he had slipped,he ( fall) 500 meters. 28.If he had asked you,you (accept)? 29. If I (had) a map, I would have been all right. 30. If I (know) that you were coming , I'd have baked a cake.

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team