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```				   A bead of mass M can slide on a thin vertical rod,with sliding friction coefficient between them=z. The rod is translated horizontally with a constant acceleration (a). For what value of (a) will an earth observer see equal horizotal and vertical components of acceleration of the bead?
```

6 years ago

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```										since the bead is sliding down its vertical acceleration is g. & this acceleration has no horizontal component. the rod is moving with an acceleration of a. therefore the bead will also have a horizontal acceleration of a.therefore when vertical acceleration equals horizontal acceleration, a=g.
```
6 years ago

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