From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3647/CH2/EX2.1/2_1.sce | 24 ++++++++++++++++++++++++ 3647/CH2/EX2.10/2_10.sce | 18 ++++++++++++++++++ 3647/CH2/EX2.11/2_11.sce | 25 +++++++++++++++++++++++++ 3647/CH2/EX2.2/2_2.sce | 12 ++++++++++++ 3647/CH2/EX2.3/Ex2_3.sce | 26 ++++++++++++++++++++++++++ 3647/CH2/EX2.4/2_4.sce | 21 +++++++++++++++++++++ 3647/CH2/EX2.5/2_5.sce | 19 +++++++++++++++++++ 3647/CH2/EX2.6/Ex2_6.sce | 25 +++++++++++++++++++++++++ 3647/CH2/EX2.7/2_7.sce | 23 +++++++++++++++++++++++ 3647/CH2/EX2.8/Ex2_8.sce | 25 +++++++++++++++++++++++++ 3647/CH2/EX2.9/Ex2_9.sce | 22 ++++++++++++++++++++++ 11 files changed, 240 insertions(+) create mode 100644 3647/CH2/EX2.1/2_1.sce create mode 100644 3647/CH2/EX2.10/2_10.sce create mode 100644 3647/CH2/EX2.11/2_11.sce create mode 100644 3647/CH2/EX2.2/2_2.sce create mode 100644 3647/CH2/EX2.3/Ex2_3.sce create mode 100644 3647/CH2/EX2.4/2_4.sce create mode 100644 3647/CH2/EX2.5/2_5.sce create mode 100644 3647/CH2/EX2.6/Ex2_6.sce create mode 100644 3647/CH2/EX2.7/2_7.sce create mode 100644 3647/CH2/EX2.8/Ex2_8.sce create mode 100644 3647/CH2/EX2.9/Ex2_9.sce (limited to '3647/CH2') diff --git a/3647/CH2/EX2.1/2_1.sce b/3647/CH2/EX2.1/2_1.sce new file mode 100644 index 000000000..fed9473ad --- /dev/null +++ b/3647/CH2/EX2.1/2_1.sce @@ -0,0 +1,24 @@ +//Solutions to Problems In applied mechanics +//A N Gobby +clear all; +clc +//equation of motion, Mass of moment of inertia, percentage +//reduction in speed +//initialisation of variables +g=5//ft +w=300//rev/min +a=0.86//red/s^2 +h=2240//ft/s +q=4//ft +g1=32.1//ft/s +k=3105000//ft lbf +//CALCULATIONS +T=(w*(2*%pi/60))/(a)//sec +M=(q*h*(g^2))/(g1)//slug ft^3 +K=((1/2)*M)*((w*2*%pi^2)/(60))//ft lbf +W=sqrt(k/(1/2)/M)//rad/s +P=[(((w*2*%pi)/60)-W)/((w*2*%pi)/60)]*100//percent +//RESULTS +printf('The equation of motion=% f sec',T) +printf('Mass of moment of inertia of =% f ft lbf',K) +printf('the percentage reduction in speed=% f percent',P) diff --git a/3647/CH2/EX2.10/2_10.sce b/3647/CH2/EX2.10/2_10.sce new file mode 100644 index 000000000..a2e80f4d9 --- /dev/null +++ b/3647/CH2/EX2.10/2_10.sce @@ -0,0 +1,18 @@ +//Solutions to Problems In applied mechanics +//A N Gobby +clear all; +//torque to acceleration drum and truck +clc +//initialisation of variables +v=20//ft/s +s=150//ft +h=2240//ft +g=32.2//ft +d=3//ft +p=364.9//lbf +q=4//ft +//CALCULATIONS +A=v^2/(2*s)//ft/s^2 +T=(h*(d)^2/g)*(A/q)+p*q//lbf ft +//RESULTS +printf('the torque to acceleration drum and truck=% f lbf ft',T) diff --git a/3647/CH2/EX2.11/2_11.sce b/3647/CH2/EX2.11/2_11.sce new file mode 100644 index 000000000..b7d01a6f3 --- /dev/null +++ b/3647/CH2/EX2.11/2_11.sce @@ -0,0 +1,25 @@ +//Solutions to Problems In applied mechanics +//A N Gobby +clear all; +clc +//gravitational force +//initialisation of variables +v=35//hp +p=25//percent +v1=30//mile/h +q=28//in +d=30//in +w=3200//lbf +t=33000//lbf +s=88//in +W=w*(1/v1)//lbf +m=0.364//mile/h +//CALCULATIONS +N=(v1*s/60)/(14/12)*(60/(2*%pi))//rev/min +Ne=N*6//rev/min +E=(v*t)/(2*%pi*Ne)//lbf ft +T=(v*0.75*t)/(2*%pi*N)//lbf ft +P=T/(14/12)//lbf +V=sqrt((P-W)/m)//mile/h +//RESULTS +printf('the gravitational force=% f mile/h',V) diff --git a/3647/CH2/EX2.2/2_2.sce b/3647/CH2/EX2.2/2_2.sce new file mode 100644 index 000000000..c7d940264 --- /dev/null +++ b/3647/CH2/EX2.2/2_2.sce @@ -0,0 +1,12 @@ +//Solutions to Problems In applied mechanics +//A N Gobby +clear all; +clc +//radius of gyration +//initialisation of variables +m=2.58065//slug ft^3 +w=2.144//in +//CALCULATIONS +R=sqrt(m/w)//ft +//RESULTS +printf('The radius of gyration=% f ft',R) diff --git a/3647/CH2/EX2.3/Ex2_3.sce b/3647/CH2/EX2.3/Ex2_3.sce new file mode 100644 index 000000000..9a247068b --- /dev/null +++ b/3647/CH2/EX2.3/Ex2_3.sce @@ -0,0 +1,26 @@ +//Solutions to Problems In applied mechanics +//A N Gobby +clear all; +//distance travelled along incline before coming to rest +clc +//initialisation of variables +w1=10//tonf +r=36//in +w=1/4//tonf +g=14//in +t=30//mile/h +s=100//in +m=20//lbf/tonf +h=2240//lbf +q=44//in +g1=32.2//ft +//CALCULATIONS +K=(w1*h*(q^2))/(2*g1)//ft lbf +L=q/1.5//rad/s +R=(2*1/2*(1/4*h/g1)*(g/12)^2)*L^2//ft lbf +T=K+R//ft lbf +M=m*w1//lbf +G=w1*h*(1/s)//lbf +S=K/(M+G)//ft +//RESULTS +printf('the distance travelled along incline before coming to rest=% f ft',S) diff --git a/3647/CH2/EX2.4/2_4.sce b/3647/CH2/EX2.4/2_4.sce new file mode 100644 index 000000000..7dc799d00 --- /dev/null +++ b/3647/CH2/EX2.4/2_4.sce @@ -0,0 +1,21 @@ +//Solutions to Problems In applied mechanics +//A N Gobby +clear all; +clc +//percentage fluctuation in speed +//initialisation of variables +g=32.2//ft +p=275//rev/min +w=1/2*p//ft +d=15//hp +h=33000//ft +r=0.8//ft +h1=2240//ft +m=p*(2*%pi/60)//rad/s +//CALCULATIONS +W=(d*h)/w//ft lbf +E=r*W//ft lbf +I=(1*h1*(3)^2)/(g)//slug ft^2 +Q=(E*100)/(I*(m)^2*2)//percent +//RESULTS +printf('the percentage fluctuation in speed=% f percent',Q) diff --git a/3647/CH2/EX2.5/2_5.sce b/3647/CH2/EX2.5/2_5.sce new file mode 100644 index 000000000..5e11a292e --- /dev/null +++ b/3647/CH2/EX2.5/2_5.sce @@ -0,0 +1,19 @@ +//Solutions to Problems In applied mechanics +//A N Gobby +clear all; +clc +//weight of flywheel and the work done by frictional torque +//initialisation of variables +w=140//rev +r=8//in +g=12//in +t=30//mile/h +q=(1/4)//tonf +I=0.99//slug ft^3 +p=32.2//ft^2 +//CALCULATIONS +W=(I*p)/(r/g)^2//lbf +T=(I*(2*%pi)^2)/(2*(2*%pi)*w)//lbf ft +//RESULTS +printf('The weight of flywheel=% f lbf',W) +printf('the work done by frictional torque in stopping flywheel=% f lbf ft',T) diff --git a/3647/CH2/EX2.6/Ex2_6.sce b/3647/CH2/EX2.6/Ex2_6.sce new file mode 100644 index 000000000..b0d056971 --- /dev/null +++ b/3647/CH2/EX2.6/Ex2_6.sce @@ -0,0 +1,25 @@ +//Solutions to Problems In applied mechanics +//A N Gobby +clear all; +//mass moment of inertia, kinetic enrgy and shear blades +clc +//initialisation of variables +w=2//tonf +t=250//rev/min +g=32.2//ft +h=2240//ft +f=0.8//percent +t1=60//ft +s=1*(2/3)//min +r=480//ft +w1=20//ft +//CALCULATIONS +M=(w*h*(w^2))/g//slug ft^2 +A=(t*(w*%pi/t1))/t1*s//rad/s^2 +I=M*A//lbf ft +K=1/2*(M)*(2*%pi/t1)^2*r*w1//ft lbf +F=f*K/(3/12)//lbf +//RESULTS +printf('the mass moment of inertia =% f lbf ft',I) +printf('the kinetic energy=% f ft lbf',K) +printf('the average force on the shear blades=% f lbf',F) diff --git a/3647/CH2/EX2.7/2_7.sce b/3647/CH2/EX2.7/2_7.sce new file mode 100644 index 000000000..ad6135ae1 --- /dev/null +++ b/3647/CH2/EX2.7/2_7.sce @@ -0,0 +1,23 @@ +//Solutions to Problems In applied mechanics +//A N Gobby +clear all; +clc +//frictional torque retarding and tangential braking acting +//initialisation of variables +h=2240//ft +w=0.06//ft +w1=4//ft +q=12//ft +g=5//ft +g1=32.2//ft +d=100//rev/min +f=120//sec +//CALCULATIONS +T=w*(w1*h)*(w1/q)//lbf ft +I=((w1*h*(g)^2)/g1)*d*(2*%pi/60)//slug ft^2/s or lbf ft s +M=I/T//sec +P=430.8//lbf ft +R=(P/2.5)//lbf +//RESULTS +printf('the frictional torque retarding=% f sec',M) +printf('the tangential braking acting=% f lbf',R) diff --git a/3647/CH2/EX2.8/Ex2_8.sce b/3647/CH2/EX2.8/Ex2_8.sce new file mode 100644 index 000000000..26330aabf --- /dev/null +++ b/3647/CH2/EX2.8/Ex2_8.sce @@ -0,0 +1,25 @@ +//Solutions to Problems In applied mechanics +//A N Gobby +clear all; +//tangential force +clc +//initialisation of variables +I=179.2//lbf ft +h=2240//ft +w=4//ft +w1=5//ft +r=120//ft +g=32.2//ft +p=100//ft +t=60//ft +//CALCULATIONS +M=(w*h*(w1)^2)/g//slug ft^3 +T=I/M//rad/s +D=p*(2*%pi)/(t*T)//sec +N=(p*(2*%pi)/t)/r//rad/s^2 +T1=M*N//lbf ft +B=T1-I//lbf ft +F=B/2*1/2//lbf +//RESULTS +printf('the deceleration =% f sec',D) +printf('the tangential force on brake rim=% f lbf',F) diff --git a/3647/CH2/EX2.9/Ex2_9.sce b/3647/CH2/EX2.9/Ex2_9.sce new file mode 100644 index 000000000..d70a7dc83 --- /dev/null +++ b/3647/CH2/EX2.9/Ex2_9.sce @@ -0,0 +1,22 @@ +//Solutions to Problems In applied mechanics +//A N Gobby +clear all; +//friction of bearings is to to neglected +clc +//initialisation of variables +h=2240//ft +g=32.2//ft +g1=15//in +w=1200//lbf +q=12//ft +r=1.5//ft +t=3.28//tonf ft +t1=1.7//tonf ft +x=550//ft +s=6//ft +//CALCULATIONS +T=((w*(g1/q)^2)/(h*g))*(3/r)//tonf ft +T1=t-t1+T//tonf ft +W=(T1*h*s/(r))/(x)//ft lbf +//RESULTS +printf('the friction of bearings is to to neglected =% f',W) -- cgit