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abdullah1995

  • one year ago

A forece acts at the origin of a coordinate system in a direction defined by the angles theta(x) = 75, Theta(z) = 130. Knowing that the y component of the force is +300 lb, determine, (a) the angle Theta(y) (b) the other components and the magnitude of the force.

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  1. abdullah1995
    • one year ago
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    @ganeshie8

  2. IrishBoy123
    • one year ago
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    you have \(\vec F = F_T<cos \theta_x,cos \theta_y,cos \theta_z>\) and \(\vec F \bullet \vec F = F^2_T <cos \theta_x,cos \theta_y,cos \theta_z> \bullet <cos \theta_x,cos \theta_y,cos \theta_z> = F^2_T\)

  3. ybarrap
    • one year ago
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    You can get \(F_T\) from the information in the diagram below |dw:1435927169291:dw| Then the other components can be calculated: $$ F_x=F_T\cos 75\\ F_z=F_T\cos 130\\ $$ Does this make sense?

  4. ybarrap
    • one year ago
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    |dw:1435927683124:dw|

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