- #1

Andrew1235

- 5

- 1

- Homework Statement:
- Find the velocity of link 6 as a function of the rotational speed of link 2.

- Relevant Equations:
- The velocity of P 2,6 can be determined by multiplying the angular speed of link 2 by the distance from the ground to P 2,6.

I am not sure how to relate the velocities of P 2,6 and slider D. The textbook solution states that they are equal but can someone explain how this can be proven? As far as I understand if P 2,6 is considered as a point on the extended link 2 then it has the same linear velocity as link 6 but why are the velocity directions the same? Is this because P 2,6 can be thought of as moving tangentially on a body and the tangent is horizontal? Also couldn't the point P 2,6 on an extension of link 2 rotate about the slider D?

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