Theory of Machine
In a radial cam, the follower moves

In a direction parallel to the cam axis
Along the cam axis
In any direction irrespective of the cam axis
In a direction perpendicular to the cam axis

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Theory of Machine
Hammer blow

Varies inversely with the square of the speed
Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses.
Varies as the square root of the speed
Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses

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