taih16014 taih16014
  • 10-12-2022
  • Physics
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Khối hình lập phương cạnh a, chịu tác
dụngcủabangẫulực (F,F'),(F,F')
và (F ,F') 1122 33
như hình vẽ (hình 1-1). Tìm tổng mômen của các ngẫu lực đó đối với các trục tọa độ.

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