Physics 0625 · IGCSE · Forces

Forces — practice question

A torque wrench is a tool used to make sure nuts or bolts are tightened by the correct amount. A mechanic adjusts the torque wrench so that it provides a moment of $50\,\text{N m}$. The torque wrench has a length from the centre of the bolt to the handle of $600\,\text{mm}$. What is the least force the mechanic must apply to tighten the bolt properly?

  • A$0.080\,\text{N}$
  • B$30\,\text{N}$
  • C$83\,\text{N}$
  • D$30\,\text{kN}$

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