In the last Mathskit (PHYSICS REVIEW Vol. 24, No. 1, pp. 12–15) I explained how force vectors could be resolved into components acting — usually — in two directions at right-angles to each other. Although the objects subjected to these forces would start to move as a result, I did not analyse this aspect in any detail — the article was essentially about static situations.
In this article I’m going to show you how to solve problems in simple dynamic situations, using velocity vectors, although I will still need to talk about forces as well.
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