A torque wrench is a device used to make sure that nuts or bolts are tightened by the correct amount. A mechanic adjusts the torque wrench so that it produces 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 smallest force the mechanic must apply in order to tighten the bolt correctly?
- A$0.080\,\text{N}$
- B$30\,\text{N}$
- C$83\,\text{N}$
- D$30\,\text{kN}$