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In this lesson, we will learn how to find the resultant of two forces acting on one point and how to find the direction of the resultant.

Q1:

Two forces act on a particle. One of the forces has a magnitude of 14 N, but the magnitude of the other force is unknown. Given that the resultant force points in the direction of the angle bisector of the two forces, find the unknown magnitude.

Q2:

The angle between two forces of equal magnitude is 6 0 ∘ , and the magnitude of their resultant is 7 1 √ 3 N. What is the magnitude of the forces?

Q3:

The angle between forces and is . Find , the magnitude of the resultant force, giving your answer to 2 decimal places if necessary. Find , the size of the angle between the resultant and , giving your answer to the nearest minute.

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