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-rw-r--r--3648/CH4/EX4.1/Ex4_1.sce11
-rw-r--r--3648/CH4/EX4.1/Ex4_1.txt1
-rw-r--r--3648/CH4/EX4.10/Ex4_10.sce13
-rw-r--r--3648/CH4/EX4.10/Ex4_10.txt1
-rw-r--r--3648/CH4/EX4.11/Ex4_11.sce15
-rw-r--r--3648/CH4/EX4.11/Ex4_11.txt1
-rw-r--r--3648/CH4/EX4.2/Ex4_2.sce11
-rw-r--r--3648/CH4/EX4.2/Ex4_2.txt1
-rw-r--r--3648/CH4/EX4.3/Ex4_3.sce13
-rw-r--r--3648/CH4/EX4.3/Ex4_3.txt2
-rw-r--r--3648/CH4/EX4.4/Ex4_4.sce19
-rw-r--r--3648/CH4/EX4.4/Ex4_4.txt1
-rw-r--r--3648/CH4/EX4.5/Ex4_5.sce12
-rw-r--r--3648/CH4/EX4.5/Ex4_5.txt1
-rw-r--r--3648/CH4/EX4.6/Ex4_6.sce13
-rw-r--r--3648/CH4/EX4.6/Ex4_6.txt1
-rw-r--r--3648/CH4/EX4.7/Ex4_7.sce10
-rw-r--r--3648/CH4/EX4.7/Ex4_7.txt1
-rw-r--r--3648/CH4/EX4.8/Ex4_8.sce9
-rw-r--r--3648/CH4/EX4.8/Ex4_8.txt5
-rw-r--r--3648/CH4/EX4.9/Ex4_9.TXT1
-rw-r--r--3648/CH4/EX4.9/Ex4_9.sce12
22 files changed, 154 insertions, 0 deletions
diff --git a/3648/CH4/EX4.1/Ex4_1.sce b/3648/CH4/EX4.1/Ex4_1.sce
new file mode 100644
index 000000000..3d721780e
--- /dev/null
+++ b/3648/CH4/EX4.1/Ex4_1.sce
@@ -0,0 +1,11 @@
+//Example 4_1
+clc();
+clear;
+//To calculate the force required
+vf=12 //units in meters/sec
+v0=0 //units in meters/sec
+t=8 //units in sec
+a=(vf-v0)/t //units in meters/sec^2
+m=900 //units in Kg
+F=m*a //units in Newtons
+printf("The force required is F=%d N",F)
diff --git a/3648/CH4/EX4.1/Ex4_1.txt b/3648/CH4/EX4.1/Ex4_1.txt
new file mode 100644
index 000000000..e74f762b6
--- /dev/null
+++ b/3648/CH4/EX4.1/Ex4_1.txt
@@ -0,0 +1 @@
+The force required is F=1350 N \ No newline at end of file
diff --git a/3648/CH4/EX4.10/Ex4_10.sce b/3648/CH4/EX4.10/Ex4_10.sce
new file mode 100644
index 000000000..bdbf58c1b
--- /dev/null
+++ b/3648/CH4/EX4.10/Ex4_10.sce
@@ -0,0 +1,13 @@
+//Example 4_10
+clc();
+clear;
+//To calculate the tension in the rope
+u=0.7
+sintheta=(6/10)
+w1=50 //units in Kg
+g=9.8 //units in meter/sec^2
+costheta=(8/10)
+Fn=w1*g*costheta //units in Newtons
+f=u*Fn //units in Newtons
+T=f+(w1*g*sintheta)
+printf("The tension in the rope is T=%d N",T)
diff --git a/3648/CH4/EX4.10/Ex4_10.txt b/3648/CH4/EX4.10/Ex4_10.txt
new file mode 100644
index 000000000..41c703b14
--- /dev/null
+++ b/3648/CH4/EX4.10/Ex4_10.txt
@@ -0,0 +1 @@
+The tension in the rope is T=568 N \ No newline at end of file
diff --git a/3648/CH4/EX4.11/Ex4_11.sce b/3648/CH4/EX4.11/Ex4_11.sce
new file mode 100644
index 000000000..7fa7f5926
--- /dev/null
+++ b/3648/CH4/EX4.11/Ex4_11.sce
@@ -0,0 +1,15 @@
+//Example 4_11
+clc();
+clear;
+//To find the acceleration of the system
+w1=7 //units in Kg
+a=9.8 //units in meters/sec^2
+w2=5 //units in Kg
+w=w1/w2
+F1=29.4 //units in Newtons
+F2=20 //units in Newtons
+f=(F1+F2) //units in Newtons
+T1=w1*a //units in Newtons
+T=(T1+(w*f))/(1+w) //units in Newtons
+a=((w1*a)-T)/w1 //units in meters/sec^2
+printf("Acceleration a=%.2f meters/sec^2",a)
diff --git a/3648/CH4/EX4.11/Ex4_11.txt b/3648/CH4/EX4.11/Ex4_11.txt
new file mode 100644
index 000000000..2b968786d
--- /dev/null
+++ b/3648/CH4/EX4.11/Ex4_11.txt
@@ -0,0 +1 @@
+Acceleration a=1.60 meters/sec^2 \ No newline at end of file
diff --git a/3648/CH4/EX4.2/Ex4_2.sce b/3648/CH4/EX4.2/Ex4_2.sce
new file mode 100644
index 000000000..0fa217cb5
--- /dev/null
+++ b/3648/CH4/EX4.2/Ex4_2.sce
@@ -0,0 +1,11 @@
+//Example 4_2
+clc();
+clear;
+//To find the friction force that opposes the motion
+F1=500 //units in Newtons
+F2=800 //units in Newtons
+theta=30 //units in degrees
+Fn=F1+(F2*sin(theta*%pi/180)) //units in Newtons
+u=0.6
+f=u*Fn //units in Newtons
+printf("The Frictional force that is required is f=%d N",f)
diff --git a/3648/CH4/EX4.2/Ex4_2.txt b/3648/CH4/EX4.2/Ex4_2.txt
new file mode 100644
index 000000000..1c903d760
--- /dev/null
+++ b/3648/CH4/EX4.2/Ex4_2.txt
@@ -0,0 +1 @@
+The Frictional force that is required is f=540 N \ No newline at end of file
diff --git a/3648/CH4/EX4.3/Ex4_3.sce b/3648/CH4/EX4.3/Ex4_3.sce
new file mode 100644
index 000000000..52b2d5fd4
--- /dev/null
+++ b/3648/CH4/EX4.3/Ex4_3.sce
@@ -0,0 +1,13 @@
+//Example 4_3
+clc();
+clear;
+//To find out at what rate the wagon accelerate and how large a force the ground pushing up on wagon
+F1=90 //units in Newtons
+F2=60 //units in Newtons
+P=F1-F2 //units in Newtons
+F3=100 //units in Newtons
+F4=sqrt(F3^2-F2^2) //units in Newtons
+a=9.8 //units in meters/sec^2
+ax=(F4*a)/F1 //units in Meters/sec^2
+printf("The wagon accelerates at ax=%.1f meters/sec^2\n",ax)
+printf("Force by which the ground pushing is P=%d N",P)
diff --git a/3648/CH4/EX4.3/Ex4_3.txt b/3648/CH4/EX4.3/Ex4_3.txt
new file mode 100644
index 000000000..8337fdd5f
--- /dev/null
+++ b/3648/CH4/EX4.3/Ex4_3.txt
@@ -0,0 +1,2 @@
+The wagon accelerates at ax=8.7 meters/sec^2
+Force by which the ground pushing is P=30 N \ No newline at end of file
diff --git a/3648/CH4/EX4.4/Ex4_4.sce b/3648/CH4/EX4.4/Ex4_4.sce
new file mode 100644
index 000000000..0189194a6
--- /dev/null
+++ b/3648/CH4/EX4.4/Ex4_4.sce
@@ -0,0 +1,19 @@
+//Example 4_4
+clc();
+clear;
+// To calculate How far does the car goes
+w1=3300 //units in lb
+F1=4.45 //units in Newtons
+w2=1 //units in lb
+weight=w1*(F1/w2) //units in Newtons
+g=9.8 //units in meters/sec^2
+Mass=weight/g //units in Kg
+speed=38 //units in mi/h
+speed=speed*(1.61)*(1/3600) //units in Km/sec
+stoppingforce=0.7*(weight) //units in Newtons
+a=stoppingforce/-(Mass) //units in meters/sec^2
+vf=0
+v0=17 //units in meters/sec
+x=(vf^2-v0^2)/(2*a)
+printf("The car goes by x=%.1f meters",x)
+//In text book the answer is printed wrong as x=20.9 meters the correct answer is x=21.1 meters
diff --git a/3648/CH4/EX4.4/Ex4_4.txt b/3648/CH4/EX4.4/Ex4_4.txt
new file mode 100644
index 000000000..9a73d28ba
--- /dev/null
+++ b/3648/CH4/EX4.4/Ex4_4.txt
@@ -0,0 +1 @@
+The car goes by x=21.1 meters s \ No newline at end of file
diff --git a/3648/CH4/EX4.5/Ex4_5.sce b/3648/CH4/EX4.5/Ex4_5.sce
new file mode 100644
index 000000000..a04b44dbf
--- /dev/null
+++ b/3648/CH4/EX4.5/Ex4_5.sce
@@ -0,0 +1,12 @@
+//Example 4_5
+clc();
+clear;
+//To find the acceleration of the masses
+w1=10 //units in Kg
+w2=5 //units in Kg
+f1=98 //units in Newtons
+f2=49 //units in Newtons
+w=w1/w2
+T=round((f1+(w*f2))/(w+1)) //units in Newtons
+a=(f1-T)/w1 //units in meters/sec^2
+printf("Acceleration is a=%.1f meters/sec^2",a)
diff --git a/3648/CH4/EX4.5/Ex4_5.txt b/3648/CH4/EX4.5/Ex4_5.txt
new file mode 100644
index 000000000..49c6e2017
--- /dev/null
+++ b/3648/CH4/EX4.5/Ex4_5.txt
@@ -0,0 +1 @@
+ Acceleration is a=3.3 meters/sec^2 \ No newline at end of file
diff --git a/3648/CH4/EX4.6/Ex4_6.sce b/3648/CH4/EX4.6/Ex4_6.sce
new file mode 100644
index 000000000..132590062
--- /dev/null
+++ b/3648/CH4/EX4.6/Ex4_6.sce
@@ -0,0 +1,13 @@
+//Example 4_6
+clc();
+clear;
+//To find the acceleration of the objects
+w1=0.4 //units in Kg
+w2=0.2 //units in Kg
+w=w1/w2
+a=9.8 //units in meters/sec^2
+f=0.098 //units in Newtons
+c=w2*a //units in Newtons
+T=((w*c)+f)/(1+w) //units in Newtons
+a=(T-f)/w1 //units in meters/sec^2
+printf("Acceleration a=%.1f meters/sec^2",a)
diff --git a/3648/CH4/EX4.6/Ex4_6.txt b/3648/CH4/EX4.6/Ex4_6.txt
new file mode 100644
index 000000000..029dc5223
--- /dev/null
+++ b/3648/CH4/EX4.6/Ex4_6.txt
@@ -0,0 +1 @@
+ Acceleration a=3.1 meters/sec^2 \ No newline at end of file
diff --git a/3648/CH4/EX4.7/Ex4_7.sce b/3648/CH4/EX4.7/Ex4_7.sce
new file mode 100644
index 000000000..386856b76
--- /dev/null
+++ b/3648/CH4/EX4.7/Ex4_7.sce
@@ -0,0 +1,10 @@
+//Example 4_7
+clc();
+clear;
+//To estimate the lower limit for the speed
+//In a practical situation u should be atleast 0.5
+u=0.5
+g=9.8 //units in meter/sec^2
+x=7 //units in meters
+v0=sqrt(2*u*g*x) //units in meters/sec
+printf("The lower limit of the speed v0=%.1f meter/sec",v0)
diff --git a/3648/CH4/EX4.7/Ex4_7.txt b/3648/CH4/EX4.7/Ex4_7.txt
new file mode 100644
index 000000000..80dfa2389
--- /dev/null
+++ b/3648/CH4/EX4.7/Ex4_7.txt
@@ -0,0 +1 @@
+The lower limit of the speed v0=8.3 meter/sec \ No newline at end of file
diff --git a/3648/CH4/EX4.8/Ex4_8.sce b/3648/CH4/EX4.8/Ex4_8.sce
new file mode 100644
index 000000000..b438c48a1
--- /dev/null
+++ b/3648/CH4/EX4.8/Ex4_8.sce
@@ -0,0 +1,9 @@
+//Example 4_8
+clc();
+clear;
+//To find acceleration in terms of m,f and theta
+printf("The acceleration a=(f/m)-g*sin(theta)")
+printf("\n In special case when there is no friction f=0\n")
+printf("So a=-g*sin(theta)\n")
+printf("As theta=90 degrees\n")
+printf("Acceleration a=-g")
diff --git a/3648/CH4/EX4.8/Ex4_8.txt b/3648/CH4/EX4.8/Ex4_8.txt
new file mode 100644
index 000000000..54b03c21f
--- /dev/null
+++ b/3648/CH4/EX4.8/Ex4_8.txt
@@ -0,0 +1,5 @@
+The acceleration a=(f/m)-g*sin(theta)
+ In special case when there is no friction f=0
+So a=-g*sin(theta)
+As theta=90 degrees
+Acceleration a=-g \ No newline at end of file
diff --git a/3648/CH4/EX4.9/Ex4_9.TXT b/3648/CH4/EX4.9/Ex4_9.TXT
new file mode 100644
index 000000000..e39e5c266
--- /dev/null
+++ b/3648/CH4/EX4.9/Ex4_9.TXT
@@ -0,0 +1 @@
+The force required is P=1776 N \ No newline at end of file
diff --git a/3648/CH4/EX4.9/Ex4_9.sce b/3648/CH4/EX4.9/Ex4_9.sce
new file mode 100644
index 000000000..619beafb0
--- /dev/null
+++ b/3648/CH4/EX4.9/Ex4_9.sce
@@ -0,0 +1,12 @@
+//Example 4_9
+clc();
+clear;
+//To calculate how large a force must push on car to accelerate
+m=1200 //units in Kg
+g=9.8 //units in meters/sec^2
+d1=4 //units in meters
+d2=40 //units in meters
+a=0.5 //units in meters/sec^2
+P=((m*g)*(d1/d2))+(m*a) //units in Newtons
+printf("The force required is P=%d N",P)
+//In text book the answer is printed wrong as P=1780 N but the correct answer is P=1776 N
generated by cgit (git 2.34.1) at 2024-12-19 13:16:29 +0000