A squat rack in the gym holds a 20.0 kg Olympic barbell with two 25.0 kg weights on each end. The bar is 2.2m long. The support points from the squad rack are located 0.2 m from each end of the bar.

(a) Draw a free-body diagram of the bar-weight system.

(b) If the system is at rest, what are the support forces on the beam?

(c) Is it safe to remove the two weights on one end but leave the two weights on the other end