For what values of F and θ will the forces shown in the diagram below be in equilibrium.
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
Correct Answer: Option A
Explanation:
Resolve vertically, 40cosθ = 20, θ = 60\(^o\)
 Resolve horizontally, f = 40sinθ = 40sin60\(^o\)
 = 40(\(\frac{\sqrt{3}}{2}\))
 = 20√3 N
Resolve vertically, 40cosθ = 20, θ = 60\(^o\)
 Resolve horizontally, f = 40sinθ = 40sin60\(^o\)
 = 40(\(\frac{\sqrt{3}}{2}\))
 = 20√3 N