Móc một vật A vào một lực kế thì lực kế chỉ 7,5N, nhưng khi nhúng vật vào thì thấy lực kế chỉ 4,5N Tính lực đẩy Ác si mét tác dụng lên vật Tính thể tích của chất làm vật biết trọng lượng riêng của nước là 10000N/m Nếu vật được nhúng chìm ở những độ sâu khác nhau thì lực đẩy Ác si mét tá at có thay đổi không? Tại sao? Tính trọng lượng riêng của chất làm vật.

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Exercise 8: Reorder the words to make correct sentences. 1. We/ travel/ next week./ will/ to Da Nang/ __ ___________________________________________________________________. 2. I/do/ will/ tonight./ my homework/ _____________________________________________________________________. 3. She/ play/ will/ tonight./ chess/ with her friend/ _____________________________________________________________________. 4. Minh/ not/ aerobic/ do/ tomorrow./will/ _____________________________________________________________________. 5. Nam/ go/ will/ this afternoon./ swimming/ _____________________________________________________________________. 6. will/ My father/ water/ tomorrow./ the flowers/ _____________________________________________________________________. 7. they/ next Sunday?/ Will/ go/ fishing _____________________________________________________________________. 8. I/ Shall/TV, Dad?/watch/ _____________________________________________________________________. 9. she/ come/ Will/ late?/ home _____________________________________________________________________. 10. volleyball?/ here/ we/ play/ Shall/ _____________________________________________________________________. Exercise 9: Complete the sentences with will (not) or should (not). 1. I hope I _____________ miss the train to Manchester. 2. She _____________ dye her hair green because it will make her complexion look pale. 3. He _____________ prepare breakfast tomorrow morning but I will. 4. Trees _____________ be planted in front of the office as it makes air cleaner. 5. Melissa _____________ wear jeans at her party. She said she would wear a pink dress. 6. They _____________ let you come with him because they hate him. 7. You _____________ get a new dress tomorrow. 8. _____________ you be at home this afternoon? 9. If my parents give me some money, I _____________ buy clothes. 10. Tonight we _____________ watch a film in the cinema, then we _____________ stay up late to play game cards. It _____________ be exciting.