xuananhho10 xuananhho10
  • 10-12-2022
  • Engineering
contestada

Bài tập 1: Khối hình lập phương cạnh a, chịu tác
dụng của ba ngẫu lực
2
' '
1 1 2 ( , ),( , ) F F F F
và
'
3 3 ( , ) F F
như hình vẽ (hình 1-1). Tìm tổng mômen của các
ngẫu lực đó đối với các trục tọa độ.

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