A gymnast with mass 46.0 kg stands on the end of a uniform balance beam as shown

Question:

A gymnast with mass 46.0 kg stands on the end of a uniform balance beam as shown in Figure. The beam is 5.00 m long and has a mass of 250 kg (excluding the mass of the two supports). Each support is 0.540 m from its end of the beam. In unit-vector notation, what are the forces on the beam due to

(a) Support 1 and

(b) Support2?