Suppose you are changing a car tire and loosening a lug nut. You weigh 800N and stand on the end of a 2 m long wrench. How much torque do you exert on the lug nut?
A) 1600 J
B) 1600 N-m
C) 800 N-m
D) 2 N-m

Question

Quizplus · Accepted Answer

Torque is calculated by multiplying the force applied (in this case, the person's weight of 800N) by the distance from the pivot point (2m in this case). So, the torque exerted is 800N * 2m = 1600 N-m.

Suppose You Are Changing a Car Tire and Loosening a Lug