Theory of Machine
When a point moves along a straight line, its acceleration will have

Coriolis component only
Radial component only
Radial and tangential components both
Tangential component only

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Theory of Machine
The maximum fluctuation of speed is the

Sum of maximum and minimum speeds
Difference of minimum fluctuation of speed and the mean speed
Variations of speed above and below the mean resisting torque line
Difference of the maximum and minimum speeds

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