Forces F1 and F2 act on a point mass in two mutually perpendicular directions . The resultant force on the point mass will be what?
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We know that resultant,
R = √ A2 + B2 + 2BCosθ
∴R= √ F1^2 + F2^2 + 2F1F2Cos90
√ F1^2 +F2^2. (cos 90= 0)
so ans is √ F1^2+F2^2
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