A uniform plank 5m long and mass 10 kg issupported on a knife edge. Masses of weight 40 kg, 20 kg, and x kg aresuspended at distances of 1m, 2m and 4m respectively from one end. The reactionat the support is 1000n. If the plank is at balance, determine the position of the support

A UNIFORM PLANK 5M LONG AND MASS 10 KG ISSUPPORTED ON A KNIFE EDGE. MASSES OF WEIGHT 40 KG, 20 KG, AND X KG ARESUSPENDED AT DISTANCES OF 1M, 2M AND 4M RESPECTIVELY FROM ONE END. THE REACTIONAT THE SUPPORT IS 1000N. IF THE PLANK IS AT BALANCE, DETERMINE THE POSITION Of the SUPPORT

A UNIFORM PLANK 5M LONG AND MASS 10 KG ISSUPPORTED ON A KNIFE EDGE. MASSES OF WEIGHT 40 KG, 20 KG, AND X KG ARESUSPENDED AT DISTANCES OF 1M, 2M AND 4M RESPECTIVELY FROM ONE END. THE REACTIONAT THE SUPPORT IS 1000N. IF THE PLANK IS AT BALANCE, DETERMINE THE POSITION Of the SUPPORT