This video was very useful when understanding Torque. The video talks about center of gravity and gives demonstrations on torque. The video also defines Torque and provides the universal symbol. The video explains directions of torques and when to determine torque values as positive and negative. He also demonstrates an example when the net toque of an object is zero and how to determine the torque.
I like your video and it is unique in that it explains the difference between torque and work. It even provides the formula units for torque and the mathematical reasoning behind lever arms and how distane increases the torque.
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