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November 27, 2014

November 27, 2014

Posted by **Zac** on Thursday, July 26, 2012 at 11:58am.

0

O

.) The spider finds it loses its grip when the normal force between it and the surface is less than 1/2

of its weight. At what angle does this slipping begin?

- Physics -
**Elena**, Thursday, July 26, 2012 at 2:09pmmg is directed downwards. resolve it into two components: tangential and radial. Radial component is directed opposite to normal force

When N=mg/2, radial component mgcos α=mg/2. Then α=60º.

(this is the position of number”2” on the face of clock assuming that the object started from “12”)

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