Test: Velocity & Acceleration Analysis - 2 - Mechanical Engineering MCQ

I₁₂ and I₁₄ are fixed instantaneous center.
I₂₃ and I₃₄ are permanent instantaneous center.
I₁₃ and I₂₄ are movable instantaneous center.

a_t = αr = 60 x 0.15 - 9 m/s

V = r × ω 

r = Distance of point from axis of rotation

ω = Angular velocity

Magnitude of Coriolis component = 2 \/ω

Klein’s construction is used to determine the acceleration of various parts and this method is used when crank has uniform angular velocity.

Coriolis component of acceleration appears in the direction perpendicular to the link.

Given any two points A and B on a rigid body, let line AB be passing through points A and B, then the components of velocity of A and B along the line AB are always equal as the distance between A and B never changes or we can say relative velocity along AB is always zero.

Hence the relative velocity of the points must be perpendicular to the line joining them.