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|Published on: Jan 23|Categories: 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 known weight of soil sample was oven-dried to…A battery of e.m.f 3.0V is connected across a…The tool illustrated in the diagram below is?A uniform bar AB is balanced on a knife-edge which…The mass and weight of a body on earth are 8kg and…SEE ALSO Particles of mass 10^-2kg is fixed to the tip of a fan blade which rotates with angular velocity of 100rad-1. If the radius of the blade is 0.2m, the centripetal force is