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What is the coefficient of static friction of a sliding wood block on a inclined plane?
pls help...
thanks!!
this coefficient depends on the surfaces of both the wood and inclined plane
here is a procedure how to determine it:
1) position the wooden block on the horizontal plane
2)start elevating slowly one end of the plane, thus increasing the angle from 0 upwards
3)at the moment the block start sliding -- measure the angle
4)for this angle calculate normal reaction that the plane exert on the block(this depends on the block's mass and the angle) and magnitude of that component of the gravity force of the block along the plane (the 'driving' force)
5)the coefficient is the ratio of the reaction over gravity component forces( the mass of the block will obviously cancel)


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