This week I had one student on Thursday and one on Friday. On Thursday, I helped the student with check your understanding questions about moment of inertia and rotational vs. linear movement. It was important to discuss how to switch between angular and linear acceleration. One of the best ways to do this was to use the equations. On Friday, the questions were about homework. The questions were largely related to torque. It was important to explain how to balance the forces based on where they chose to place the fulcrum. Another concept that I had to explain was that for torque the force that is perpendicular to the lever arm must be used. It was also easier to explain torque by drawing a free body diagram.
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