Hi everyone! I have few questions which I think might actually be simple, but I would like some confirmation if possible. Here's the situation: I am doing a research project for my MSc. in Forensic Anthropology. The goal of my project is to study the marks left on bones by bladed weapons (in this case, axes) depending on the force applied. I have a device which allows me to fix an axe on it an to "swing" it to hit a bone. The arm on which the axe is fixed measures 51.9 cm, and weight 5143g. The weight of the axes varies between 650g and 1Kg. My questions were: - Given that I study the force applied, is it possible to estimate the angle at which I should swing the axe to obtain the same force every time (with every axes)? - How can I calculate the surface area of the cutting edge of the blade? - Should I use the formulae to calculate the force of a pendulum? Thanks a lot!