A bear of mass 4M sits at the right end of a weightless plank of length L. The plank can rock on a fulcrum L / 6 from its right end. How far from the right end of the plank must a chimpanzee of mass M stand to balance the plank?
Can't understand this answer; got 29% on the actual set....what the f?
Can't understand this answer; got 29% on the actual set....what the f?