MCQOPTIONS
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MCQOPTIONS
| 1. |
Let \[\frac{1}{2\sqrt{3}}\sec \] be the coefficient of friction between blocks of mass m and M. The pulleys are frictionless and strings are massless. Acceleration of mass m is |
| A. | \[\frac{\sqrt{5}\,mg}{M+\sqrt{5}\,m\,+2\,\mu \,m}\] |
| B. | \[\frac{2\,mg}{m+5\,M\,+2\,\mu \,m}\] |
| C. | \[\frac{2\sqrt{5}\,mg}{M+5\,M\,+2\,\mu \,m}\] |
| D. | \[\frac{5\sqrt{2}\,mg}{M+\sqrt{5}\,m\,+\sqrt{2}\,\mu \,m}\] |
| Answer» D. \[\frac{5\sqrt{2}\,mg}{M+\sqrt{5}\,m\,+\sqrt{2}\,\mu \,m}\] | |