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//CHAPTER 8 ILLUSRTATION 7 PAGE NO 229
//TITLE:BALANCING OF ROTATING MASSES
clc
clear
pi=3.141
mA=48// mass of A in kg
mB=56// mass of B in kg
mC=20// mass of C in kg
rA=1.5// radius of A in cm
rB=1.5// radius of B in cm
rC=1.25// radius of C in cm
N=300// speed in rpm
d=1.8// distance between bearing in cm
//================================
w=2*pi*N/60// angular speed in rad/s
BA=164// angle between pulleys B&A in degrees by measurement
BC=129// angle between pulleys B&C in degrees by measurement
AC=67// angle between pulleys A&C in degrees by measurement
C=.88*w^2// out of balance couple in N
L=C/d// load on each bearing in N
printf('angle between pulleys B&A=%i degrees\n angle between pulleys B&C= %i degrees\n angle between pulleys A&C= %i degrees\n out of balance couple= %.3f N\n load on each bearing= %.3f N',BA,BC,AC,C,L)
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