blob: 978874ec5b7e6e6f974cc2a9eb560e156bcf7f0e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
//Example 8_3
clc();
clear;
//To find out how long does it take to accelerate and how far does wheel turn in this time and the rotational kinetic energy
force=8 //units in Newtons
arm=0.25 //units in meters
tou=force*arm //units in Newton meter
m=80 //units in Kg
b=arm //units in meters
I=0.5*m*b^2 //units in Kg meter^2
alpha=tou/I //units in rad/sec^2
wf=4*%pi //units in rad/sec
w0=0 //units in rad/sec
t=(wf-w0)/alpha //units in sec
printf("The time taken is t=%.1f sec\n",t)
theta=0.5*(wf+w0)*t //units in radians
printf("The wheel goes a distance of theta=%.1f rad\n",theta)
KE=0.5*I*wf^2 //units in Joules
printf("The rotational kinetic energy is KE=%d Joules",KE)
|
