Theory of Machine
A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively)

None of these
m₁ m₂ = r₁ r₂
m₁ r₂ = m₂ r₁
m₁ r₁ = m₂ r₂

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

Along perpendicular to angular velocity
Along tangential 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
Along the centripetal acceleration

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Theory of Machine
For dynamic balancing of a shaft

Both (A) and (B)
The net couple due to the dynamic forces acting on the shaft is equal to zero
None of these
The net dynamic force acting on the shaft is equal to zero

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