A bar AB is balanced horizontally on two knife edges as illustrated as in the diagram above. Determine the weight of the bar. by Sunday | Jan 23 | Physics WAEC | 0 comments A. 10.0N B. 20.0N C. 40.0N D. 50.0N Correct Answer: Option C C. 40.0N Users Also Read These:A lens that is thinner at the middle and thicker at…A uniform bar AB is balanced on a knife-edge which…An electric circuit is connected as illustrated…An object A is held in equilibrium as illustrated in…A battery of e.m.f 3.0V is connected across a…