If the torque required to loosen a nut that

is holding a flat tire in place on a car has a
magnitude of 31 N · m, what minimum force
must be exerted by the mechanic at the end
of a 24 cm-long wrench to loosen the nut?
Answer in units of N

2 answers

F * 0.24m = 31Nm
so
F = 31 Nm/0.24m
1.33 N