The greatest and least resultant of two forces are 7 N and 3 N respectively. If each of the force is increased by 3 N and applied at 60°. The magnitude of the new resultant is
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answer is 4.
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Detailed Solution
P + Q = 7 N ; P – Q = 3 N P = 5 N, Q = 2 N ∴P1 = 8 N, Q1 = 5 N, θ = 600