H2P-65
Principle of moments
H2 Physics · JC 1 · Medium · Principle of moments
A uniform 3.0 m beam of weight 80 N is hinged at its left end and held horizontally by a vertical cable attached 2.0 m from the hinge. A 40 N weight hangs from the right end of the beam. Find the tension in the cable.
- 120 N
- 80 N
- 160 N
- 200 N
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