Theory of Machine
The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by

ω² (R - r₁) cosθ
ω² R cosθ
ω² (R - r₁) sinθ
ω² r₁ sinθ

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Theory of Machine
The sense of Coriolis component 2 ωv is same as that of the relative velocity vector v rotated at

90° in the direction of rotation of the link containing the path
45° in the direction opposite to the rotation of the link containing the path
180° in the direction opposite to the rotation of the link containing the path
45° in the direction of rotation of the link containing the path

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