Physics 5054 · O Level · Turning effect of forces

Turning effect of forces — practice question

The metre rule shown is in equilibrium when a $4.0\text{ N}$ weight is used. Determine the weight $W$ of the metre rule.

  • A$1.0\text{ N}$
  • B$4.0\text{ N}$
  • C$16\text{ N}$
  • D$40\text{ N}$

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