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What is the direction of velocity of a point in a link relative to another point on the same link rotating in a specific direction.

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+1 vote
in Machine Kinematics by (38.0k points)
What is the direction of velocity of a point in a link relative to another point on the same link rotating in a specific direction.

(a) Perpendicular to line joining both the links

(b) Parallel to line joining both the links

(c) Perpendicular to the surface of the link

(d) Parallel to the surface of the link

The question was posed to me in an online interview.

This interesting question is from Motion of a Link in chapter Velocity in Mechanisms of Machine Kinematics

1 Answer

0 votes
by (106k points)
Right choice is (a) Perpendicular to line joining both the links

Explanation: Velocity of any point on a link with respect to another point on the same link is always in the direction perpendicular to the line joining these points on the space diagram.

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