A wrench with a length of 12 cm is being used to unscrew a 3 cm bolt. If a torque of 5 Nm is needed to overcome the friction keeping the bolt in place, what is the minimum torque that must be applied to the wrench to unscrew the bolt?
1 Answer
Mar 13, 2018
The torque required to unscrew is 5Nm but the force on the wrench is 37.03N
Explanation:
Torque is always to the center of the rotated object.
Assuming you mean bolt diameter is 3cm, so radius is1.5cm
The torque which holds it is 5Nm which is 500N-cm
So
That equals :