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A Cable Pulling Down
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Learn what mechanics studies, how it splits into statics, dynamics and other branches, and why statics comes first.
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The basic quantities of statics and its three models (particle, rigid body and concentrated force), with when to use each.
Force Addition Lab: Parallelogram, Triangle and Polygon Rules
Drag two or more forces and watch their resultant appear by the parallelogram, triangle or polygon rule, with the magnitude and direction worked out live.
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Convert moments and torques between N·m, N·mm, kN·m, lbf·in, lbf·ft, kip·ft, kgf·m and more, with exact factors and the steps shown.