Cho 1 khối gỗ hình hộp lập phương cạnh a=10 cm có trọng lượng riêng d=6000 N/m khối được thả vào trong nước sao cho 1 mặt đáy song song với mặt thoáng của nước.Trọng lượng riêng của nước d=10000 N/m khối. a/Tính lực đẩy Acsimet của nước tác dụng lên khối gỗ. b/Tính chiều cao phần khối gỗ ngập trong nước.

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