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靜力學 292 題 解答 - PowerPoint PPT Presentation


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靜力學 292 題 解答. function [F]=st292(F1,F2) rac=(3^2 + 0.5^2 + 4^2)^0.5 rab=(1.5^2 + 4.0981^2 + 4^2 )^0.5 rx=F2*3/rac + F1*1.5/rab ry=F2*-0.5/rac + F1*4.0981/rab rz=F2*4/rac + F1*4/rab Fr=(rx^2+ry^2+rz^2)^0.5 alpha=acos(rx/Fr)*180/pi beta=acos(ry/Fr)*180/pi yta=acos(-rz/Fr)*180/pi end.

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靜力學292題 解答

  • function [F]=st292(F1,F2)

  • rac=(3^2 + 0.5^2 + 4^2)^0.5

  • rab=(1.5^2 + 4.0981^2 + 4^2 )^0.5

  • rx=F2*3/rac + F1*1.5/rab

  • ry=F2*-0.5/rac + F1*4.0981/rab

  • rz=F2*4/rac + F1*4/rab

  • Fr=(rx^2+ry^2+rz^2)^0.5

  • alpha=acos(rx/Fr)*180/pi

  • beta=acos(ry/Fr)*180/pi

  • yta=acos(-rz/Fr)*180/pi

  • end


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