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Which of the following is the CORRECT reason for the creep in a belt drive?

Which of the following is the CORRECT reason for the creep in a belt drive? Correct Answer Differential elongation of belt due to difference in tension on two sides of pulley.

Explanation:

Creep:

  • When a belt rotates through two pulleys, the upper side of this drive will be in tension i.e. tight side and the lower side will in compression i.e. slack side.
  • In pulley rotation certain portion of the belt will pass through the area where it will change from tight side to slack side, then the length of that specific portion of the belt will expand and contract subsequently and a relative motion will happen between belt and pulley surface. This phenomenon is called the creep of belt.
  • This motion of the belt relative to driving and driven pulley due to unequal stretching of the two sides of the drive is known as creep.

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