1. Suppose a hanging 1.0kg lab mass is attached to a 4.0kg block on the table
a. If the coefficient of kinetic friction, [tex]\mu[/tex]k is .2, what is the acceleration?
b. What would the mininum value of the coefficient of static friction, [tex]\mu[/tex]s, in order for the block to remian motionless
a = f/m
[tex]\mu[/tex] = frictional force / normal force
The Attempt at a Solution
a) .2 = friction/50 (i got 50 from 5 [the two blocks] multiplied by gravity)... friction = 10
a = 10/5
a = 2m/s
b) idk how to figure this out?