Theory of Machine
The acceleration of a particle at any instant has two components i.e. radial component and tangential component. These two components will be

Inclined at 45°
Parallel to each other
Perpendicular to each other
Opposite to each other

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Theory of Machine
The direction of Coriolis component of acceleration is the direction

Along tangential acceleration
Along perpendicular to angular velocity
Along the centripetal acceleration
Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link

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