Physics 9702 · AS & A Level · Turning effects of forces

Turning effects of forces — practice question

A bar with uniform density has a weight of $200\,\text{N}$ and a length of $4.0\,\text{m}$. It is hinged freely to a wall at one end. The bar remains horizontal and in equilibrium because of a cable fixed at a point $0.50\,\text{m}$ from the far end. The cable makes an angle of $35^\circ$ to the horizontal. Determine the tension $T$ in the cable.

  • A$140\,\text{N}$
  • B$170\,\text{N}$
  • C$200\,\text{N}$
  • D$400\,\text{N}$

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