5 a fulcrum is placed 0 m from the right hand end of a 30 m long wooden uniform plank of mass 40

Question

Ravindra Samadiya · Accepted Answer

First, we need to understand that the plank will balance when the torques (or moments) on either

A fulcrum is placed 1.0 m from the right-hand end of a 3.0-m long wooden uniform plank of mass 40 kg. An object of mass is placed at the extreme right-hand end to make the plank balance. What must be the mass of the object in order to balance the plank? (Ans: 20 kg) 40 kg LCL0m = 3.0 m