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Opposite of the relative motion between objects
to the surface
to the surface, in whichever direction needed to maintain static surface
= coefficient of kinetic friction
should be slightly larger than
= coefficient of static friction
Example 1: A string is attached to a block and the block is pulled to the right with a horizontal tension force
of . While this force is applied, the block slides with a constant speed of . What is the kinetic
friction on the block?
Use Newton's Second Law in the x direction
What is the coefficient of kinetic friction?
Tuesday, February 7, 2017
PHYS 1 Page 1