Problem 7 Bonus. (25 points)

The two uniform slender bars shown below, each have a mass of 2 kg. The two bars are pinned

together at P. The counter-clockwise couple Co of 150 N-m is applied to the bottom bar at t = 0

s. Upon application of the couple, find the angular accelerations of the top and bottom bars. Also,

find the forces exerted on the lower bar at point P.

B₁

0.5 m

0.5 m

B₂

У Р

) c.