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PHYSICS

JAMB 2013 - Question 3

Physics 2013 JAMB Past Questions - Question 3: The resultant of two forces is 50N .if the force are perpendicular to each other and one of them makes an angle of 30 degree with the resultant, find its magnitude.

Use the diagram to answer questions 3

The resultant of two forces is 50N .if the force are perpendicular to each other and one of them makes an angle of 30 degree with the resultant, find its magnitude.

A: 100.0N

B: 57.7N

C: 43.3N

D: 25.0N

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Correct Answer

Explanation

the component of a vector F in a direction adjacent to is F cos 0 the component that makes 30 degree with the resultant = 50cos 30= 50 x 0 8660 = 43.3N