A uniform rod AB AB\,AB has length 4 m and mass 12 kg. It is supported horizontally at A A\,A and at a point CCC, where AC=3AC=3AC=3 m. A particle of mass 6 kg is attached at BBB.
Find the magnitudes of the reactions at A A\,A and CCC. Use g=9.8g=9.8g=9.8 m s−2^{-2}−2.