Homework Help: Physics

Posted by jdajaljk on Friday, January 28, 2011 at 6:07pm.

Suppose a hanging 1.0 kg lab mass is attached to a 4.0 kg block on the table.
a. If the coefficient of kinetic friction, uk is 0.20, what is the acceleration of the block?
b. What would be the minimum value of the coefficient of static friction, Us, in order for the block to remain motionless?

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