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If the resultant of two forces of magnitude p and 2p is perpendicular to p, then the angle between the forces is
detailed solution
Correct option is A
tanα=2psinθp+2pcosθ here θ=90∘⇒ ∞=2psinθp+2pcosθ⇒p+2pcosθ=0⇒ cosθ=12⇒θ=2π3Talk to our academic expert!
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