Math Problem Statement
Človek drži v roki kroglo. Roka in podlaket tehtata 2.2kg. Med podlaketjo in nadlaketjo je pravi kot 90°. Sila v komolcu je 700N. Roka je v ravnovesju. Razdalja od komolca do težišča krogle je 36cm, razdalja od komolca do težišča roke je 15cm. Razdalja od komolca do mesta, kjer je vpeta mišica biceps znaša 5cm. Kolikšna je masa krogle, da bo roka v mehanskem ravnovesju?
Solution
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Math Problem Analysis
Mathematical Concepts
Mechanical equilibrium
Moments of forces
Formulas
Moment of force formula: M = F * d
Theorems
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Suitable Grade Level
Advanced High School
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