Physics Fundamentals: Analysis of Forces and Torques in XY Plane
Explore the simplification of forces and torques in the xy plane for rotational analysis in physics, illustrated through examples and solutions.
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FUNDAMENTALS OF PHYSICS ( 10th edition )- HALLIDAY & RESNICK
????,?= ? ,????,?= ?, ????,?= ? ????,?= ? ,????,?= ?, ????,?= ? We shall simplify matters by considering only situations in which the forces that act on the body lie in the xy plane. This means that the only torques that can act on the body must tend to cause rotation around an axis parallel to the z axis
Solution The system here is the beam alone, and the forces on it are shown in the free-body diagram of Fig.
our system as being the firefighter and ladder, together. we choose the axis at point O, perpendicular to the figure (in theZ direction)
