MCQOPTIONS
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| 1. |
The mechanical widening of a track is given by ___________ |
| A. | l<sup>2</sup>/2R |
| B. | nl<sup>2</sup>/2R |
| C. | nl<sup>3</sup>/2R |
| D. | nl/2R |
| Answer» C. nl<sup>3</sup>/2R | |