two forces 20N and 5N are acting at an angle of 120degrees between them find the resultant force in magnitude and direction
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Answer:
resultant force = √ 20^2+ 5^2 +2 (20) (5) cos 120°
= √400 +25 - 200 sin 30° = √425 - 100 = √325 = 18.028
Explanation:
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