Added new codeHEADmaster

1 files changed, 28 insertions, 0 deletions

diff --git a/3862/CH2/EX2.28/Ex2_28.sce b/3862/CH2/EX2.28/Ex2_28.sce
new file mode 100644
index 000000000..dda74db1d
--- /dev/null
+++ b/3862/CH2/EX2.28/Ex2_28.sce
@@ -0,0 +1,28 @@
+clear
+//
+
+//variable declaration
+W=600.0                      //weight of cyclinder,N
+r=150.0                      //radius of cylinder,mm
+a=600.0                      //mm
+b=300.0                      //mm
+
+//Free body diagram of sphere and frame
+
+////sum of vertical Fy & sum of horizontal forces Fx is zero
+//Assume direction of Fx is right
+//Assume direction of Fy is up
+
+RB=600.0                     
+//As the frame is in equilibrium under the action of three forces only, they must be concurrent forces. In other words, reaction at D has line of action alone OD. Hence, its inclination to horizontal is given by: 
+printf("\n RB= %0.2f  N",RB)
+alpha=atan((a-r)/r)
+printf("\n alpha= %0.4f  °",alpha)
+
+RD=W/sin(alpha)
+printf("\n RD= %0.3f  N",RD)
+
+RC=RD*cos(alpha)
+RA=RC
+printf("\n RC= %0.0f  N",RC)
+printf("\n RA= %0.0f  N",RA)