When a body is in equilibrium, there are two conditions. 1) Net moment is zero: POM, anticlockwise moment = clockwise moment 2) Net force is zero: total upward forces = toward downward forces Answer: Option D View the explanation:

Using the concepts that POM, we know 1) Ma = Mc 2) net force on the stick is 0N. Most of us will most likely to take pivot about P as...

Note: Non-uniform plank means the CG of the plank is not at its centre a) Find the weight of the boy. b) How far is the centre of gravity...