Mathematics · Vector Mechanics
If two forces act at a right angle (90°), what will be the magnitude of their resultant force R?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1R = F1 + F2
- 2R = 2F1F2cos(θ)
- 3R = F1 - F2
- 4R = √(F12 + F22)✓
Correct answer
R = √(F12 + F22)
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