Machine Design
The power transmitted by means of a belt depends upon

Velocity of the belt
All of these
Arc of contact between the belt and the smaller pulley
Tension under which the belt is placed on the pulleys

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Machine Design
The elasticity is the property of a material which enables it to

Regains its original shape after deformation when the external forces are removed
Draw into wires by the application of a tensile force
Retain deformation produced under load permanently
Resists fracture due to high impact loads

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