Physics, 23.06.2021 17:50 astigall6360

Cho cơ hệ như hình vẽ . Thả cho trụ rỗng theo phương thẳng đứng xuống dưới. Biết khối lượng của trụ m =5kg, bán kính R=20cm dây nhẹ, không giãn, g=10 Hỏi phân tích các lực tác dụng vào trụ rỗng . B) xác định gia tốc tịnh tiến, gia tốc góc của trụ rỗng theo m R g

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Cho cơ hệ như hình vẽ . Thả cho trụ rỗng theo phương thẳng đứng xuống dưới. Biết khối lượng của trụ...

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