A uniform , horizontal beam is hinged to a wall and supported by a rope at above the beam at its far end. A sign hangs at the far end. Using , find the rope tension.
- A
- B
- Ccheck_circle
- D
Explanation
Torque about hinge: .
Rotational Equilibrium and Newton's First Law in Rotational Form
AP Physics 1· difficulty 3/5
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