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1. |
A block rests on a horizontal table which is executing SHM in the horizontal plane with an amplitude 'a'. If the coefficient of friction is \['\mu '\], then the block just starts to slip when the frequency of oscillation is |
A. | \[\frac{1}{2\pi }\sqrt{\frac{\mu g}{a}}\] |
B. | \[\sqrt{\frac{\mu g}{a}}\] |
C. | \[2\pi \sqrt{\frac{a}{\mu g}}\] |
D. | \[\sqrt{\frac{a}{\mu g}}\] |
Answer» B. \[\sqrt{\frac{\mu g}{a}}\] | |