Test Academy | The force required to just move a body up an inclined plane is double the force required to just prevent it from sliding down. If Φ is angle of friction and θ is the angle which incline makes with the horizontal then tan θ = tan Φ, tan θ = 2 tan Φ, tan θ = 3 tan Φ, tan Φ = 3 tanθ

Question

The force required to just move a body up an inclined plane is double the force required to just prevent it from sliding down. If Φ is angle of friction and θ is the angle which incline makes with the horizontal then

Options :

tan θ = tan Φ
tan θ = 2 tan Φ
tan θ = 3 tan Φ
tan Φ = 3 tanθ

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