A nut requires a moment of 9.0 N m to turn. A student can apply a maximum force of 30 N at right angles to a spanner. What is the minimum distance from the nut at which the force must act?
300 cm300\ \mathrm{cm}300 cm
3.3 cm3.3\ \mathrm{cm}3.3 cm
30 cm30\ \mathrm{cm}30 cm
270 cm270\ \mathrm{cm}270 cm