Added new codeHEADmaster

1 files changed, 39 insertions, 0 deletions

diff --git a/3862/CH4/EX4.27/Ex4_27.sce b/3862/CH4/EX4.27/Ex4_27.sce
new file mode 100644
index 000000000..615d9a78d
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+++ b/3862/CH4/EX4.27/Ex4_27.sce
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+clear
+//A concrete block of size 0.60 m × 0.75 m × 0.5 m is cast with a hole of diameter 0.2 m and depth 0.3 m
+//The hole is completely filled with steel balls weighing 2500 N. Locate the centre of gravity of the body.
+
+//
+
+//variable declaration
+
+W=25000.0                    // weight of concrete=25000, N/m^3
+W1=0.6*0.75*0.5*W           //Weight of solid concrete block
+W2=%pi*(0.2**2)*0.3*W/4  //Weight of concrete (W2) removed for making hole:
+W3=2500
+
+//Taking origin as shown in the figure, the centre of gravity of solid block is (0.375, 0.3, 0.25) and that of hollow portion is (0.5, 0.4, 0.15)
+
+X1=0.375
+X2=0.5
+X3=0.5
+
+Y1=0.3
+Y2=0.4
+Y3=0.4
+
+Z1=0.25
+Z2=0.15
+Z3=0.15
+
+Wt=W3+W1-W2
+printf("\n %0.3f %0.3f %0.3f %0.3f ",W,W1,W2,Wt)
+
+xc=(W1*X1-W2*X2+W3*X3)/Wt
+
+yc=(W1*Y1-W2*Y2+W3*Y3)/Wt
+
+zc=(W1*Z1-W2*Z2+W3*Z3)/Wt
+
+printf("\n xc= %0.3f  m",xc)
+printf("\n yc= %0.3f  m",yc)
+printf("\n zc= %0.3f  m",zc)