সরল দোলন গতি

A block of mass m rests on a platform. The platform is given up and down Simple Harmonic Motion with an amplitude d- What can be the maximum frequency so that the block never leaves the platform?

হানি নাটস

mw2d=mgw=gd=2πtt=12πgdHence,theoptionBisthecorrectanswer.\begin{array}{l} m{ w^{ 2 } }d=mg \\ w=\sqrt { \dfrac { g }{ d } } =2\pi t \\ t=\dfrac { 1 }{ { 2\pi } } \sqrt { \dfrac { g }{ d } } \\ Hence,\, the\, option\, B\, is\, the\, correct\, answer. \end{array}

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