AP Physics 1
5.5 Rotational Equilibrium and Newton’s First Law in Rotational Form
5.3 Torque
2.5 Newton’s Second Law
2.4 Newton’s First Law
2.2 Forces and Free-Body Diagrams
Multi-Unit
A horizontal, uniform board of weight \(125\,\text{N}\) and length \(4\,\text{m}\) is supported by vertical chains at each end. A person weighing \(500\,\text{N}\) is hanging from the board. The tension in the right chain is \(250\,\text{N}\).
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