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    Trigonometry Vector Problem: Force Angles

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    Three forces acting at a point are in equilibrium. The forces are 930 lb, 760 lb, and 1220 lb. Find the angles between the directions of the forces. (Hint: Arrange the forces to form the sides of a triangle.)

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    Solution Preview

    We can use Cosine Theorem to solve this problem:
    The three forces form the sides of a triangle: pls refer to the ...

    Solution Summary

    Trigonometry is used to solve for angles between forces.