MCE222_LN_Sec_13-6 - EQUATIONS OF MOTION CYLINDRICAL...

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EQUATIONS OF MOTION: CYLINDRICAL COORDINATES (Section 13.6) Today’s Objectives: Students will be able to analyze the kinetics of a particle using cylindrical coordinates. In-Class Activities: homework due on wed
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EQUATIONS OF MOTION: CYLINDRICAL COORDINATES This approach to solving problems has some external similarity to the normal & tangential method just studied. However, the path may be more complex or the problem may have other attributes that make it desirable to use cylindrical coordinates. Equilibrium equations or “Equations of Motion” in cylindrical coordinates (using r, θ , and z coordinates) may be expressed in scalar form as: F r = ma r = m(r – r θ 2 ) F θ = ma θ = m(r θ + 2r θ ) F z = ma z = mz . . . .. .. ..
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