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UP TGT Mathematics Vector Analysis Test Series - Part 3

Two forces of equal magnitude 10 N act at an angle of 120 degrees. Their resultant magnitude is:

Type: MCQ • Marks: 1
Two forces of equal magnitude 10 N act at an angle of 120 degrees. Their resultant magnitude is:
Options
A. 10 N
B. 0 N
C. 20 N
D. 100 N
Explanation
R² = 10² + 10² + 2(10)(10)cos120° = 100; hence R=10 N.
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