A force of 30N is applied perpendicularly to the face of a door at a distance of 1.5 m from the hinge of the door. Find the torque on the door about its hinge:
a. 20 n/m
This solution provides an explanation to illustrate how to solve this question based on force and distance measurements. This response is under 30 words in length. It is brief, but clearly models how to approach solving the problem.