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Physics Chemistry

Engineering :: Applied Mechanics

  The locus of a point on a thread unwound from a cylinder will be
[A]. A straight line[B]. A circle
[C]. An involute[D]. A spiral
[E]. A cycloid    

Answer: Option E
Praneeth said:    
 
involute is the locus of a point considered as the end of a taut string being unwound from a given curve in the plane of that curve. So answer is C
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