how to determine where the pivot is in torque problems?
This is the uworld solution, but how do we know the elbow is the pivot? i would think the pivot is where the center of mass of the arm is at .2m from the elbow. so tauCCW=W(.17) and tauCW=45(0)+40(.1) but obv i didn't get the right answer.
i did this q right before which got me thinking of the pivot as the center of mass:
Posted Apr 9, 2025, 8:19 PM UTC
12