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trnthuuyen01
2 năm trước
Một chiếc khăn có khối lượng 0,8kg đưoc treo lên móc như hình vẽ. a) Có mấy lực tác dụng lên chiếc khăn? Đó là những lực nào? b) Tính lực giữ của móc treo đối với chiếc khăn. Giải giúp mk bài 1 với
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