I'm about to draw shear and moment diagram in 2D, and I wonder if there are any general rules as where to section for instance this ski?
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Mechanics is a branch of physics that deals with the study of motion and forces on objects.
The main sections of mechanics are kinematics, dynamics, statics, and fluid mechanics.
Kinematics focuses on the study of motion without considering the causes of motion, while dynamics deals with the forces that cause motion.
Mechanics is applicable in many fields such as engineering, physics, and biomechanics. It is used to design and analyze structures, machines, and other systems.
To improve your understanding of mechanics, it is important to practice solving problems and doing experiments to apply the principles you have learned. You can also seek help from teachers, tutors, or online resources for additional learning materials.