Hi,
I need some assistance understanding moments of inertia. I am doing some review for an upcoming exam, however I am slightly stumped by this question. I have already tried googling "moments of inertia" to try and understand the concept better, but I am having issues knowing when to apply...
I am doing a review for a Dynamics exam, but I am having trouble with this one question (below).
Please note the top of the picture contains the answers.
What I have done is make a free body diagram that includes the tension of the cable and the weight of the rider/swing. So according to my...