Added new codeHEADmaster

1 files changed, 29 insertions, 0 deletions

diff --git a/3862/CH1/EX1.7/Ex1_7.sce b/3862/CH1/EX1.7/Ex1_7.sce
new file mode 100644
index 000000000..d7190ab81
--- /dev/null
+++ b/3862/CH1/EX1.7/Ex1_7.sce
@@ -0,0 +1,29 @@
+clear
+//The force of 3000 N acts along line AB. Let AB make angle alpha with horizontal.
+
+//
+
+//variable declaration
+F=3000                        //force in newtons,'N'
+BC=80                         //length of crank BC, 'mm'
+AB=200                        //length of connecting rod AB ,'mm'
+theta=60*%pi/180               //angle b/w BC & AC
+
+//calculations
+
+alpha=asin(BC*sin(theta)/200)*180/%pi 
+
+HC=F*cos(alpha*%pi/180)                    //Horizontal component 
+VC= F*sin(alpha*%pi/180)                   //Vertical component 
+
+//Components along and normal to crank
+//The force makes angle alpha + 60  with crank.
+alpha2=alpha+60
+CAC=F*cos(alpha2*%pi/180)             // Component along crank 
+CNC= F*sin(alpha2*%pi/180)             //Component normal to crank 
+
+
+printf("\n horizontal component= %0.1f  N",HC)
+printf("\n Vertical component =  %0.1f  N",VC)
+printf("\n Component along crank = %0.1f  N",CAC)
+printf("\n Component normal to crank= %0.1f  N",CNC)