What is the direction of the Coriolis component of acceleration in a slotted lever-crank mechanism

  1. Along the sliding velocity vector
  2. Along the direction of the crank
  3. Along a line rotated 90° from the sliding velocity vector in a direction opposite to the angular velocity of the slotted lever
  4. Along a line rotated 90° from the sliding velocity vector in a direction same as that of the angular velocity of the slotted lever

Answer (Detailed Solution Below)

Option 4 : Along a line rotated 90° from the sliding velocity vector in a direction same as that of the angular velocity of the slotted lever
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Detailed Solution

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Concept:

Coriolis component of acceleration – When a point on one link is sliding along another rotating link such as in quick return motion mechanism, then the Coriolis component of acceleration comes into account. It is the tangential component of the acceleration of the slider with respect to the coincident point on the link.

Mathematically,

Coriolis component of acceleration, ac = 2vω

The direction of the Coriolis component of acceleration is given by rotating the velocity of the slider by 90° in the direction of the angular velocity of the rotating link.

F1 S.C 19.8.20 Pallavi D9

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