Questions
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 α = 900⇒ ∞ = 2psinθp+2pcosθ ⇒p+2pcosθ = 0⇒ cosθ= -12 ⇒ θ = 2π3Similar Questions
Three forces 9 N, 12 N and 15 N acting at a point are in equilibrium the angle between 9 N and 15 N is
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