MCQOPTIONS
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MCQOPTIONS
| 1. |
The system is pushed by a force \[F\] as shown in figure. All surfaces are smooth except between \[B\] and \[C\]. Friction coefficient between \[B\] and \[C\] is \[\mu \]. Minimum value of \[F\]to prevent block \[B\] from downward slipping is |
| A. | \[\left( \frac{3}{2\mu } \right)mg\] |
| B. | \[\left( \frac{5}{2\mu } \right)mg\] |
| C. | \[\left( \frac{5}{2} \right)\mu mg\] |
| D. | \[\left( \frac{3}{2} \right)\mu mg\] |
| Answer» C. \[\left( \frac{5}{2} \right)\mu mg\] | |