7.1
Static Equilibrium
Chapter 7
Free
1/4
A uniform 4-meter board weighing 20 kg rests on two supports: one at the left end and one at the 3-meter mark. A 30 kg child stands at the far right end (4 m).
A uniform 4-meter board weighing 20 kg rests on two supports: one at the left end and one at the 3-meter mark. A 30 kg child stands at the far right end (4 m).