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If Fx and Fy are rectangular components of ...

9th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Physics Online 9th Class Test Lesson 4 Turning Effects of Force

Question:
If F_x and F_y are rectangular components of a vector F, then the magnitude of vector F is:

Option A):
F = Fx² + Fy²
Option B):
F = √Fx² + Fy²
Option C):
F = √2Fx Fy
Option D):
F = √Fx² - Fy²

Correct Answer is Option B):
F = √Fx² + Fy²