Creep in the belt is due to When the belt passes from slack side

Creep in the belt is due to

When the belt passes from slack side
| Creep in the belt is due to

A. Material of belt

B. Material of pulley

C. Uneven extension or contractions due to varying tensions

D. All of the above

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Right Answer is:

SOLUTION

When the belt passes from slack side to tight side, a certain portion of the belt extends and it contracts again when the belt passes from tight sight to slack side. Due to these changes in length, there is a relative motion between the belt and the pulley surfaces.