MCQOPTIONS
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MCQOPTIONS
| 1. |
A given object takes n times as much time to slide down a \[45{}^\circ \] rough incline as it takes to slide down a perfectly smooth\[45{}^\circ \]incline. The coefficient of friction between the object and the incline is |
| A. | \[\left( 1-1/{{n}^{2}} \right)\] |
| B. | \[1/\left( 1-{{n}^{2}} \right)\] |
| C. | \[\sqrt{\left( 1-1/{{n}^{2}} \right)}\] |
| D. | \[1/\sqrt{\left( 1-{{n}^{2}} \right)}\] |
| Answer» B. \[1/\left( 1-{{n}^{2}} \right)\] | |