英文物理题一题...The diagram shows three coplanar forces acting on
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英文物理题一题...
The diagram shows three coplanar forces acting on a particle P,which is in equilibrium.By resolving in the direction of the 5N force,calculate the value of Θ,By resolving in the direction of XN force,calculate the value of X.
The diagram shows three coplanar forces acting on a particle P,which is in equilibrium.By resolving in the direction of the 5N force,calculate the value of Θ,By resolving in the direction of XN force,calculate the value of X.
Please refer to the attached picture10*CosΘ=5so, Θ=60°X=10*sinΘ===>X=10sin60°=10*(3)^0.5 ≈17.32N
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