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    Q 15 three forces act upon a particle, which is in equilibrium. if the magnitudes ogmf the forces are 4n, 5n and 6n find the angles between the forces
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    (Original post by cosford2)
    Q 15 three forces act upon a particle, which is in equilibrium. if the magnitudes ogmf the forces are 4n, 5n and 6n find the angles between the forces
    If three forces are in equilibrium then they form a vector triangle. You can use the cosine rule to find the first angle and then go from there.

    Please post your working if you get stuck.
 
 
 
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