diff options
Diffstat (limited to '1205/CH4/EX4.4/S_4_4.sce')
| -rw-r--r-- | 1205/CH4/EX4.4/S_4_4.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/1205/CH4/EX4.4/S_4_4.sce b/1205/CH4/EX4.4/S_4_4.sce new file mode 100644 index 000000000..2a3f25751 --- /dev/null +++ b/1205/CH4/EX4.4/S_4_4.sce @@ -0,0 +1,21 @@ +clc;
+
+//At equillibrium equations are +-> sum Fx=0, +sum(M_A)=0, +sum(M_B)=0
+
+//Sum Fx=0 gives,
+Ax=600*cos(10*%pi/180)-375*cos(20*%pi/180);//N
+printf("Ax=%.2f kN \n",Ax);
+
+
+//Sum Fy=0 gives, Ay-1600 N -(375 N)sin(20 degree)-(600 N)sin(10 degree)=0
+Ay=600*sin(10*%pi/180)+375*sin(20*%pi/180)+1600;//N
+printf("Ay=%.2f kN \n",Ay);
+
+A=[Ax,Ay];//N Reaction force at A
+A=norm(A);//N Magnitude of A
+theta=atan(Ay/Ax);//Radian , Angle made by A with +ve X axis
+theta=theta*180/%pi;//Degrees
+printf("A=%.0f kN Theta=%.1f\n",A,theta);
+//+sum(M_A)=0 gives M_A-(375 N)cos(20 degree)(6 m)+(600 N)cos(10 degree)(6 m)=0,
+M_A=-600*cos(10*%pi/180)*6+375*cos(20*%pi/180)*6;//N.m
+printf("M_A=%.0f kN +ve sign shows reaction is directed as assumed \n",M_A);
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