Automobile Engineering in ME
The rolling resistance is because of the friction between the

Wheel rim and road surface
None of the listed here
Wheel rim and tyre
Tyre and the road surface

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Automobile Engineering in ME
The drive-shafts are connected to the differential and wheel hubs through universal joints because the universal joints

Absorb the vibrations transferred from the surface of the road
None of these
Absorb any difference in speed between the left and right wheels when the vehicle is turning
Compensate for variations in the relative positions of the differential and the wheels which result from bumpy road surfaces or other similar driving conditions.

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