A disk with mass m rests on an inclined surface for which ������ =0. 2. Determine the maximum vertical force p that may be applied to link ab without causing the disk to slip at c.

Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.