(2)\ 3016\

AB

is a

60-eb

,\ uniform slenden'bar,\ initially at rest\ when the

30-e^(b)

\ force is applied\ at

B

.\ The bar moves in the\ vertical plane, with\ small, light wheels at\

A

and

B

moving smoothly\ in the vertical and horigontal\ slots.\ Find: (a) the initial angular acceleration;\ (b) The forces exerted on wheels A\ and

B

by the slot walls.

(2) (10, olb AB is a 60-eb uniform slenden' bar, initially at rest when the 30e s force is applied at B. The bar moves in the vertical plane, with small, light wheels at A and B moving smoophly in the vertical and horigontal slots. Find: (a) the initial angular acceleration; (b) the forces exerted on wheels A and B by the slot walls