Question on: JAMB Physics - 2018
For what values of F and θ will the forces shown in the diagram below be in equilibrium.
A
60N and 60\(^o\)
B
60N and 30\(^o\)
C
20√3 N and 60\(^o\)
D
20√3N and 30\(^o\)
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Correct Option: A
Resolving the vertical component of the force, 40cosθ = 20, θ = 60\(^o\)
Resolving the horizontal component of the force, f = 40sinθ = 40sin60\(^o\)
= 40(\(\frac{\sqrt{3}}{2}\))
= 20√3 N
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