An Object Rotates from θ₁ to θ₂ Through an Angle

Multiple Choice

An object rotates from θ₁ to θ₂ through an angle that is less than π radians.Which of the following results in a positive angular displacement?

A) θ₁ = 45°, θ₂= −45°
B) θ₁ = 45°, θ₂= 15°
C) θ₁ = 45°, θ₂= 45°
D) θ₁ = 135°, θ₂= −135°
E) θ₁ = −135°, θ₂= 135°