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Diffstat (limited to '3792/CH6/EX6.15/Ex6_15.sce')
-rw-r--r-- | 3792/CH6/EX6.15/Ex6_15.sce | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/3792/CH6/EX6.15/Ex6_15.sce b/3792/CH6/EX6.15/Ex6_15.sce new file mode 100644 index 000000000..09024a579 --- /dev/null +++ b/3792/CH6/EX6.15/Ex6_15.sce @@ -0,0 +1,32 @@ +// SAMPLE PROBLEM 6/15
+clc;funcprot(0);
+// Given data
+m_E=30;// kg
+m_D=40;// kg
+v_1=1.2;// m/s
+t_1=0;// s
+t_2=5;// s
+F=380;// N
+d=375/1000;// m
+k_o=250/1000;// m
+g=9.81;// m/s^2
+
+// Calculation
+// [H_O1+(integral(t_2 to t_2))SigmaM_Odt=H_O2]
+// Integrating we get
+M=((((F*0.750)*t_2)-(((m_E+m_D)*g*d)*t_2))-(((F*0.750)*t_1)-(((m_E+m_D)*g*d)*t_1)));// N.m.s
+Ibar=(m_E)*k_o^2;// kg-m^2
+omega_1=v_1/d;//rad/sec
+H_O1=-((m_E+m_D)*v_1*d)-(Ibar*(v_1/d));// N.m.s
+// H_O2=-(m_E+m_D*v_2*d)-(Ibar*(v_2/d));
+// H_O2=11.72*omega_2;
+// Substituting into the momentum equation gives
+omega_2=(H_O1+M)/11.72;// N.m.s
+// [G_1+(integral(t_2 to t_2))SigmaFdt=G_2]
+m=m_E+m_D;// kg
+G_1=m*-(v_1);// (kg.m/s)
+G_2=m*(d*omega_2);// (kg.m/s)
+// Integrating
+// SigmaF=[T*(t_2)+(F*t_2)-(m*g*t_2)]-[T*(t_1)+(F*t_1)-(m*g*t_1)];
+T=((G_2-G_1)-(((F*t_2)-(m*g*t_2))-((F*t_1)-(m*g*t_1))))/(t_2-t_1);// N
+printf("\nThe angular velocity,omega_2=%1.2f rad/s counter clockwise \nThe tension in the cable,T=%3.0f N",omega_2,T);
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