The displacement of the reciprocating roller follower, when it has contact with

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The displacement of the reciprocating roller follower, when it has contact with the straight flanks of the tangent cam, is given by (where r₁ = Minimum radius of the cam, r₂ = Radius of the roller follower, and θ = Angle turned by the cam from the beginning of the follower displacement)

Options:

A . (r₁ - r₂) (1 - cosθ)

B . (r₁ + r₂) (1 + cosθ)

C . (r₁ - r₂) [(1 - cosθ)/cosθ]

D . (r₁ + r₂) [(1 - cosθ)/cosθ]

Answer: Option D

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