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October 23, 2014

Homework Help: physics

Posted by Anonymous on Wednesday, December 19, 2012 at 8:08pm.

A 23 kg chair initially at rest on a horizontal
floor requires a 371 N horizontal force to set
it in motion. Once the chair is in motion, a
345 N horizontal force keeps it moving at a
constant velocity.
The acceleration of gravity is 9.81 m/s
2
.
a) What is the coefficient of static friction
between the chair and the floor?

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