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EXAMPLE 10 : Two forces 40 Kg and 50 Kg act on a body as shown in the Figure 22. Find the resultant in magnitude and direction by algebraic method.
Solution:
From the given figure,
EXAMPLE 11 : Determine the resultant of two forces, 10 N and 5 N acting at an angle
1200 with each other.
Solution:
Using Laws of cosine to the shaded triangle,
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