Exam2Pr3 - % Exam 2, Problem 3 % Statics problem with...

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Sheet1 Page 1 % Exam 2, Problem 3 % Statics problem with friction and two closed loops % Set up problem DEGREES ON OVERWRITE ON FRAMES N,A,B,C,D,E % N1> TO THE RIGHT, N2> UPWARD, AND N3> = N1> X N2> PARTICLES P POINTS Q,R,S,T,THAT CONSTANTS L,MU,W VARIABLES Q{5} % Q1 ZERO WHEN HORIZONTAL, Q2 VERTICAL, AND Q3 HORIZONTAL VARIABLES FP,FT,TD % Rotation matrices SIMPROT(N,D,-3,Q1) SIMPROT(N,C,3,Q2) SIMPROT(N,B,3,Q3) % Loop equations for dependent Q's % Given Q1, we can find Q2 and Q4 from the first loop equation % Given Q2, we can find Q3 and Q5 from the second loop equation P_Q_S>=2*L*N2> P_S_T>=-1.5*L*D1> P_Q_THAT>=Q4*C2> LOOP1>=P_Q_S>+P_S_T>-P_Q_THAT> P_Q_R>=4*L*C2> P_R_P>=3*L*B1> P_P_Q>=-Q5*N1>-5*L*N2> LOOP2>=P_Q_R>+P_R_P>+P_P_Q> LOOP1=DOT(LOOP1>,[N1> N2>]) LOOP2=DOT(LOOP2>,[N1> N2>]) LOOP=[LOOP1 LOOP2] % Contact and distance forces and torques FORCE_P>=-MU*FP*N1>+FP*N2>-W*N2> FORCE_T>=-FT*C1>-MU*FT*C2> FORCE_THAT>=-FORCE_T> TORQUE_D>=-TD*N3> % Zero set equations to find TD, FP, and FT assuming Q1, Q2, and Q3
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Exam2Pr3 - % Exam 2, Problem 3 % Statics problem with...

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